256888 has 16 divisors (see below), whose sum is σ = 487080. Its totient is φ = 127008.

The previous prime is 256877. The next prime is 256889. The reversal of 256888 is 888652.

256888 is a modest number, since divided by 888 gives 256 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1206 + ... + 1402.

2²⁵⁶⁸⁸⁸ is an apocalyptic number.

It is an amenable number.

256888 is a deficient number, since it is larger than the sum of its proper divisors (230192).

256888 is a wasteful number, since it uses less digits than its factorization.

256888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 362 counting only the distinct ones).

The product of its digits is 30720, while the sum is 37.

The square root of 256888 is about 506.8411980098. The cubic root of 256888 is about 63.5693746518.

The spelling of 256888 in words is "two hundred fifty-six thousand, eight hundred eighty-eight".