258397392 has 40 divisors (see below), whose sum is σ = 728212320. Its totient is φ = 78302080.

The previous prime is 258397361. The next prime is 258397411. The reversal of 258397392 is 293793852.

It is a happy number.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (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, 244167 + ... + 245222.

It is an arithmetic number, because the mean of its divisors is an integer number (18205308).

Almost surely, 2^258397392 is an apocalyptic number.

258397392 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

258397392 is an abundant number, since it is smaller than the sum of its proper divisors (469814928).

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

258397392 is a wasteful number, since it uses less digits than its factorization.

258397392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489411 (or 489405 counting only the distinct ones).

The product of its digits is 816480, while the sum is 48.

The square root of 258397392 is about 16074.7439170893. The cubic root of 258397392 is about 636.9363605572.

The spelling of 258397392 in words is "two hundred fifty-eight million, three hundred ninety-seven thousand, three hundred ninety-two".