255896 has 16 divisors (see below), whose sum is σ = 496800. Its totient is φ = 123424.

The previous prime is 255887. The next prime is 255907. The reversal of 255896 is 698552.

It is a zygodrome in base 2.

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 255896.

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 3 ways as a sum of consecutive naturals, for example, 320 + ... + 783.

It is an arithmetic number, because the mean of its divisors is an integer number (31050).

2²⁵⁵⁸⁹⁶ is an apocalyptic number.

It is an amenable number.

255896 is a deficient number, since it is larger than the sum of its proper divisors (240904).

255896 is a wasteful number, since it uses less digits than its factorization.

255896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138 (or 1134 counting only the distinct ones).

The product of its digits is 21600, while the sum is 35.

The square root of 255896 is about 505.8616411629. The cubic root of 255896 is about 63.4874424917.

The spelling of 255896 in words is "two hundred fifty-five thousand, eight hundred ninety-six".