258306988 has 12 divisors (see below), whose sum is σ = 456262632. Its totient is φ = 127946240.

The previous prime is 258306967. The next prime is 258306989. The reversal of 258306988 is 889603852.

It is not an unprimeable number, because it can be changed into a prime (258306989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301333 + ... + 302188.

It is an arithmetic number, because the mean of its divisors is an integer number (38021886).

Almost surely, 2^258306988 is an apocalyptic number.

It is an amenable number.

258306988 is a deficient number, since it is larger than the sum of its proper divisors (197955644).

258306988 is a wasteful number, since it uses less digits than its factorization.

258306988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603632 (or 603630 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 49.

The square root of 258306988 is about 16071.9316822839. The cubic root of 258306988 is about 636.8620714801.

The spelling of 258306988 in words is "two hundred fifty-eight million, three hundred six thousand, nine hundred eighty-eight".