9790

9790 is a natural number that lies between 9789 and 9791. It is an even composite number.

Its prime factorization is 2 × 5 × 11 × 89, so it is the product of four distinct primes. Consequently, 9790 has 16 positive divisors. The sum of all divisors is (2+1)(5+1)(11+1)(89+1) = 3×6×12×90 = 19440, and the sum of proper divisors is 19440 − 9790 = 9650, which makes 9790 a deficient number.

Its digits sum to 25, giving a digital root of 7. The last digit is 0, so 9790 is divisible by 2, 5, and 10.

In base representations: binary 10011000111110, octal 23076, hexadecimal 0x263E. This reflects its decimal structure as 10 × 979, with 979 itself equal to 11 × 89.