99439258 has 32 divisors (see below), whose sum is σ = 162155520. Its totient is φ = 45598080.

The previous prime is 99439243. The next prime is 99439267. The reversal of 99439258 is 85293499.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195108 + ... + 195616.

It is an arithmetic number, because the mean of its divisors is an integer number (5067360).

Almost surely, 2^99439258 is an apocalyptic number.

99439258 is a deficient number, since it is larger than the sum of its proper divisors (62716262).

99439258 is a wasteful number, since it uses less digits than its factorization.

99439258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702.

The product of its digits is 699840, while the sum is 49.

The square root of 99439258 is about 9971.9234854666. The cubic root of 99439258 is about 463.2896787307.

The spelling of 99439258 in words is "ninety-nine million, four hundred thirty-nine thousand, two hundred fifty-eight".