255916 has 12 divisors (see below), whose sum is σ = 452088. Its totient is φ = 126752.

The previous prime is 255907. The next prime is 255917. The reversal of 255916 is 619552.

It is not an unprimeable number, because it can be changed into a prime (255917) 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, 315 + ... + 781.

It is an arithmetic number, because the mean of its divisors is an integer number (37674).

2²⁵⁵⁹¹⁶ is an apocalyptic number.

It is an amenable number.

255916 is a deficient number, since it is larger than the sum of its proper divisors (196172).

255916 is a wasteful number, since it uses less digits than its factorization.

255916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608 (or 606 counting only the distinct ones).

The product of its digits is 2700, while the sum is 28.

The square root of 255916 is about 505.8814090278. The cubic root of 255916 is about 63.4890964394.

The spelling of 255916 in words is "two hundred fifty-five thousand, nine hundred sixteen".