256892 has 6 divisors (see below), whose sum is σ = 449568. Its totient is φ = 128444.

The previous prime is 256889. The next prime is 256901. The reversal of 256892 is 298652.

256892 is nontrivially palindromic in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 256892.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32108 + ... + 32115.

It is an arithmetic number, because the mean of its divisors is an integer number (74928).

2²⁵⁶⁸⁹² is an apocalyptic number.

It is an amenable number.

256892 is a deficient number, since it is larger than the sum of its proper divisors (192676).

256892 is a wasteful number, since it uses less digits than its factorization.

256892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64227 (or 64225 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 256892 is about 506.8451440036. The cubic root of 256892 is about 63.5697045961.

The spelling of 256892 in words is "two hundred fifty-six thousand, eight hundred ninety-two".