255384 has 24 divisors (see below), whose sum is σ = 691860. Its totient is φ = 85104.

The previous prime is 255383. The next prime is 255413. The reversal of 255384 is 483552.

255384 = T₆₉ + T₇₀ + ... + T₁₂₂.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255383) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1702 + ... + 1845.

2²⁵⁵³⁸⁴ is an apocalyptic number.

255384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

255384 is an abundant number, since it is smaller than the sum of its proper divisors (436476).

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

255384 is a wasteful number, since it uses less digits than its factorization.

255384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3559 (or 3552 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 255384 is about 505.3553205419. The cubic root of 255384 is about 63.4450720576.

The spelling of 255384 in words is "two hundred fifty-five thousand, three hundred eighty-four".