255836 has 12 divisors (see below), whose sum is σ = 511728. Its totient is φ = 109632.

The previous prime is 255803. The next prime is 255839. The reversal of 255836 is 638552.

255836 is an admirable number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 255799 and 255808.

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 255836.

It is not an unprimeable number, because it can be changed into a prime (255839) 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, 4541 + ... + 4596.

It is an arithmetic number, because the mean of its divisors is an integer number (42644).

2²⁵⁵⁸³⁶ is an apocalyptic number.

It is an amenable number.

255836 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

255836 is a wasteful number, since it uses less digits than its factorization.

255836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9148 (or 9146 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 255836 is about 505.8023329325. The cubic root of 255836 is about 63.4824801316.

The spelling of 255836 in words is "two hundred fifty-five thousand, eight hundred thirty-six".