258904 has 8 divisors (see below), whose sum is σ = 485460. Its totient is φ = 129448.

The previous prime is 258887. The next prime is 258917. The reversal of 258904 is 409852.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

258904 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 as a sum of consecutive naturals, namely, 16174 + ... + 16189.

2²⁵⁸⁹⁰⁴ is an apocalyptic number.

It is an amenable number.

258904 is a deficient number, since it is larger than the sum of its proper divisors (226556).

258904 is a wasteful number, since it uses less digits than its factorization.

258904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32369 (or 32365 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 258904 is about 508.8260999595. The cubic root of 258904 is about 63.7352343093.

The spelling of 258904 in words is "two hundred fifty-eight thousand, nine hundred four".