255736 has 16 divisors (see below), whose sum is σ = 516600. Its totient is φ = 117984.

The previous prime is 255733. The next prime is 255743. The reversal of 255736 is 637552.

It is a d-powerful number, because it can be written as 2¹⁷ + 5⁵ + 7⁶ + 5⁵ + 3⁶ + 6² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255733) 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, 1126 + ... + 1333.

2²⁵⁵⁷³⁶ is an apocalyptic number.

255736 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

255736 is an abundant number, since it is smaller than the sum of its proper divisors (260864).

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

255736 is a wasteful number, since it uses less digits than its factorization.

255736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2478 (or 2474 counting only the distinct ones).

The product of its digits is 6300, while the sum is 28.

The square root of 255736 is about 505.7034704251. The cubic root of 255736 is about 63.4742078070.

The spelling of 255736 in words is "two hundred fifty-five thousand, seven hundred thirty-six".