256914 has 24 divisors (see below), whose sum is σ = 636480. Its totient is φ = 73368.

The previous prime is 256903. The next prime is 256931. The reversal of 256914 is 419652.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 894 + ... + 1145.

It is an arithmetic number, because the mean of its divisors is an integer number (26520).

2²⁵⁶⁹¹⁴ is an apocalyptic number.

256914 is an abundant number, since it is smaller than the sum of its proper divisors (379566).

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

256914 is a wasteful number, since it uses less digits than its factorization.

256914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054 (or 2051 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 256914 is about 506.8668464202. The cubic root of 256914 is about 63.5715192284.

The spelling of 256914 in words is "two hundred fifty-six thousand, nine hundred fourteen".