255908 has 6 divisors (see below), whose sum is σ = 447846. Its totient is φ = 127952.

The previous prime is 255907. The next prime is 255917. The reversal of 255908 is 809552.

It can be written as a sum of positive squares in only one way, i.e., 222784 + 33124 = 472^2 + 182^2 .

It is not an unprimeable number, because it can be changed into a prime (255907) by changing a digit.

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 as a sum of consecutive naturals, namely, 31985 + ... + 31992.

It is an arithmetic number, because the mean of its divisors is an integer number (74641).

2²⁵⁵⁹⁰⁸ is an apocalyptic number.

It is an amenable number.

255908 is a deficient number, since it is larger than the sum of its proper divisors (191938).

255908 is a wasteful number, since it uses less digits than its factorization.

255908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63981 (or 63979 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 255908 is about 505.8735019746. The cubic root of 255908 is about 63.4884348707.

It can be divided in two parts, 255 and 908, that multiplied together give a triangular number (231540 = T₆₈₀).

The spelling of 255908 in words is "two hundred fifty-five thousand, nine hundred eight".