258334990 has 16 divisors (see below), whose sum is σ = 465311952. Its totient is φ = 103265344.

The previous prime is 258334961. The next prime is 258335041. The reversal of 258334990 is 99433852.

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, 8922 + ... + 24418.

It is an arithmetic number, because the mean of its divisors is an integer number (29081997).

Almost surely, 2^258334990 is an apocalyptic number.

258334990 is a deficient number, since it is larger than the sum of its proper divisors (206976962).

258334990 is a wasteful number, since it uses less digits than its factorization.

258334990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17171.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 258334990 is about 16072.8028047382. The cubic root of 258334990 is about 636.8850838493.

It can be divided in two parts, 2583 and 34990, that added together give a palindrome (37573).

The spelling of 258334990 in words is "two hundred fifty-eight million, three hundred thirty-four thousand, nine hundred ninety".