255886 has 8 divisors (see below), whose sum is σ = 388080. Its totient is φ = 126528.

The previous prime is 255877. The next prime is 255887. The reversal of 255886 is 688552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255887) 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, 466 + ... + 853.

It is an arithmetic number, because the mean of its divisors is an integer number (48510).

255886 is a Friedman number, since it can be written as 8^6-8-5^5*2, using all its digits and the basic arithmetic operations.

2²⁵⁵⁸⁸⁶ is an apocalyptic number.

255886 is a deficient number, since it is larger than the sum of its proper divisors (132194).

255886 is a wasteful number, since it uses less digits than its factorization.

255886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418.

The product of its digits is 19200, while the sum is 34.

The square root of 255886 is about 505.8517569407. The cubic root of 255886 is about 63.4866154856.

The spelling of 255886 in words is "two hundred fifty-five thousand, eight hundred eighty-six".