258023904 has 48 divisors (see below), whose sum is σ = 700675920. Its totient is φ = 83041280.

The previous prime is 258023897. The next prime is 258023911. The reversal of 258023904 is 409320852.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (258023897) and next prime (258023911).

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43557 + ... + 49124.

It is an arithmetic number, because the mean of its divisors is an integer number (14597415).

Almost surely, 2^258023904 is an apocalyptic number.

258023904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

258023904 is an abundant number, since it is smaller than the sum of its proper divisors (442652016).

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

258023904 is a wasteful number, since it uses less digits than its factorization.

258023904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92723 (or 92715 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 258023904 is about 16063.1224859926. The cubic root of 258023904 is about 636.6293363101.

The spelling of 258023904 in words is "two hundred fifty-eight million, twenty-three thousand, nine hundred four".