258304312 has 32 divisors (see below), whose sum is σ = 554796000. Its totient is φ = 110444544.

The previous prime is 258304309. The next prime is 258304331. The reversal of 258304312 is 213403852.

It is a super-2 number, since 2×258304312² = 133442235195586688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 20008 + ... + 30280.

It is an arithmetic number, because the mean of its divisors is an integer number (17337375).

Almost surely, 2^258304312 is an apocalyptic number.

It is an amenable number.

258304312 is an abundant number, since it is smaller than the sum of its proper divisors (296491688).

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

258304312 is a wasteful number, since it uses less digits than its factorization.

258304312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10735 (or 10731 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 258304312 is about 16071.8484313411. The cubic root of 258304312 is about 636.8598722251.

The spelling of 258304312 in words is "two hundred fifty-eight million, three hundred four thousand, three hundred twelve".