258319290 has 16 divisors (see below), whose sum is σ = 619966368. Its totient is φ = 68885136.

The previous prime is 258319289. The next prime is 258319331. The reversal of 258319290 is 92913852.

It is a super-2 number, since 2×258319290² = 133457711172208200, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4305292 + ... + 4305351.

It is an arithmetic number, because the mean of its divisors is an integer number (38747898).

Almost surely, 2^258319290 is an apocalyptic number.

258319290 is an abundant number, since it is smaller than the sum of its proper divisors (361647078).

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

258319290 is a wasteful number, since it uses less digits than its factorization.

258319290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8610653.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 258319290 is about 16072.3143946353. The cubic root of 258319290 is about 636.8721816116.

The spelling of 258319290 in words is "two hundred fifty-eight million, three hundred nineteen thousand, two hundred ninety".