7389

7389 is a natural number that follows 7388 and precedes 7390. It is an odd composite number with the prime factorization 3^2 × 821, where 821 is a prime. Consequently, its positive divisors are 1, 3, 9, 821, 2463, and 7389. The number has six divisors in total and is divisible by 3 and 9, as indicated by the digit sum (7 + 3 + 8 + 9 = 27) and the factorization.

In various numeral systems, 7389 has the representations: binary 1110011011101_2, hexadecimal 0x1CDD, and octal 16335_8. Its digital root is 9 since the sum of digits reduces to 9 (27 → 9). As a four-digit decimal integer, it is used like many other numbers in arithmetic, counting, and cataloging, but it does not correspond to any widely known special constant or widely recognized mathematical constant.

Beyond its basic properties, 7389 does not have a widely documented notable significance in standard mathematical references. It serves as an example of a composite number with a simple prime factorization and straightforward divisor structure, illustrating common attributes of numbers in the range just above 7000.

See also: numbers 7388 and 7390, as well as prime factors 3 and 821.