255824 has 20 divisors (see below), whose sum is σ = 505920. Its totient is φ = 125280.

The previous prime is 255803. The next prime is 255839. The reversal of 255824 is 428552.

It is a hoax number, since the sum of its digits (26) 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 = 255793 and 255802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 809 + ... + 1079.

It is an arithmetic number, because the mean of its divisors is an integer number (25296).

2²⁵⁵⁸²⁴ is an apocalyptic number.

It is an amenable number.

255824 is a deficient number, since it is larger than the sum of its proper divisors (250096).

255824 is a wasteful number, since it uses less digits than its factorization.

255824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 332 counting only the distinct ones).

The product of its digits is 3200, while the sum is 26.

The square root of 255824 is about 505.7904704519. The cubic root of 255824 is about 63.4814875665.

The spelling of 255824 in words is "two hundred fifty-five thousand, eight hundred twenty-four".