256792 has 8 divisors (see below), whose sum is σ = 481500. Its totient is φ = 128392.

The previous prime is 256771. The next prime is 256799. The reversal of 256792 is 297652.

It is a tau number, because it is divible by the number of its divisors (8).

It is a nialpdrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256799) by changing a digit.

256792 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16042 + ... + 16057.

2²⁵⁶⁷⁹² is an apocalyptic number.

It is an amenable number.

256792 is a deficient number, since it is larger than the sum of its proper divisors (224708).

256792 is a wasteful number, since it uses less digits than its factorization.

256792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32105 (or 32101 counting only the distinct ones).

The product of its digits is 7560, while the sum is 31.

The square root of 256792 is about 506.7464849409. The cubic root of 256792 is about 63.5614549614.

The spelling of 256792 in words is "two hundred fifty-six thousand, seven hundred ninety-two".