258058728 has 24 divisors (see below), whose sum is σ = 698909250. Its totient is φ = 86019552.

The previous prime is 258058681. The next prime is 258058739. The reversal of 258058728 is 827850852.

It can be written as a sum of positive squares in only one way, i.e., 255296484 + 2762244 = 15978^2 + 1662^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1792003 + ... + 1792146.

Almost surely, 2^258058728 is an apocalyptic number.

It is an amenable number.

258058728 is an abundant number, since it is smaller than the sum of its proper divisors (440850522).

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

258058728 is a wasteful number, since it uses less digits than its factorization.

258058728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3584161 (or 3584154 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 45.

The square root of 258058728 is about 16064.2064229765. The cubic root of 258058728 is about 636.6579757531.

The spelling of 258058728 in words is "two hundred fifty-eight million, fifty-eight thousand, seven hundred twenty-eight".