255764 has 12 divisors (see below), whose sum is σ = 458304. Its totient is φ = 124824.

The previous prime is 255763. The next prime is 255767. The reversal of 255764 is 467552.

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 an Ulam number.

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 255764.

It is not an unprimeable number, because it can be changed into a prime (255763) 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, 572 + ... + 915.

It is an arithmetic number, because the mean of its divisors is an integer number (38192).

2²⁵⁵⁷⁶⁴ is an apocalyptic number.

It is an amenable number.

255764 is a deficient number, since it is larger than the sum of its proper divisors (202540).

255764 is a wasteful number, since it uses less digits than its factorization.

255764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534 (or 1532 counting only the distinct ones).

The product of its digits is 8400, while the sum is 29.

The square root of 255764 is about 505.7311538753. The cubic root of 255764 is about 63.4765242752.

The spelling of 255764 in words is "two hundred fifty-five thousand, seven hundred sixty-four".