7836

7836 is a natural number that follows 7835 and precedes 7837. In decimal notation it has four digits. The sum of its digits is 24, giving a digital root of 6. The number is even and divisible by 3, hence by 6 as well.

Prime factorization and divisors: 7836 = 2^2 × 3 × 653, where 653 is prime. Therefore 7836 = 12 × 653. The positive divisors are 1, 2, 3, 4, 6, 12, 653, 1306, 1959, 2612, 3918, and 7836. The factorization shows it is not square-free due to the repeated factor 2.

In other bases, 7836 is 0x1E9C in hexadecimal, 0o17234 in octal, and 0b1111010011100 in binary.

The sum of the divisors (including the number itself) is 18,312; the sum of proper divisors is 10,476, so 7836 is an abundant number, meaning the sum of its proper divisors exceeds the number itself.