255696 has 40 divisors (see below), whose sum is σ = 755904. Its totient is φ = 72960.

The previous prime is 255679. The next prime is 255709. The reversal of 255696 is 696552.

It is a nialpdrome in base 8.

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 255696.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45 + ... + 716.

2²⁵⁵⁶⁹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377952).

255696 is an abundant number, since it is smaller than the sum of its proper divisors (500208).

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

255696 is a wasteful number, since it uses less digits than its factorization.

255696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779 (or 773 counting only the distinct ones).

The product of its digits is 16200, while the sum is 33.

The square root of 255696 is about 505.6639200101. The cubic root of 255696 is about 63.4708982734.

The spelling of 255696 in words is "two hundred fifty-five thousand, six hundred ninety-six".