255464 has 16 divisors (see below), whose sum is σ = 522720. Its totient is φ = 116080.

The previous prime is 255457. The next prime is 255467. The reversal of 255464 is 464552.

It is not an unprimeable number, because it can be changed into a prime (255467) by changing a digit.

255464 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1364 + ... + 1539.

It is an arithmetic number, because the mean of its divisors is an integer number (32670).

2²⁵⁵⁴⁶⁴ is an apocalyptic number.

It is an amenable number.

255464 is an abundant number, since it is smaller than the sum of its proper divisors (267256).

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

255464 is a wasteful number, since it uses less digits than its factorization.

255464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920 (or 2916 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 255464 is about 505.4344665731. The cubic root of 255464 is about 63.4516961685.

The spelling of 255464 in words is "two hundred fifty-five thousand, four hundred sixty-four".