305796 has 24 divisors (see below), whose sum is σ = 756000. Its totient is φ = 95872.

The previous prime is 305783. The next prime is 305803. The reversal of 305796 is 697503.

It is a super-2 number, since 2×305796² = 187022387232, which contains 22 as substring.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 305796.

It is an unprimeable number.

305796 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546 + ... + 953.

It is an arithmetic number, because the mean of its divisors is an integer number (31500).

2³⁰⁵⁷⁹⁶ is an apocalyptic number.

It is an amenable number.

305796 is an abundant number, since it is smaller than the sum of its proper divisors (450204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

305796 is a wasteful number, since it uses less digits than its factorization.

305796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523 (or 1521 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 305796 is about 552.9882458064. The cubic root of 305796 is about 67.3716628700.

The spelling of 305796 in words is "three hundred five thousand, seven hundred ninety-six".