99318984 has 16 divisors (see below), whose sum is σ = 248297520. Its totient is φ = 33106320.

The previous prime is 99318941. The next prime is 99319013. The reversal of 99318984 is 48981399.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2069122 + ... + 2069169.

It is an arithmetic number, because the mean of its divisors is an integer number (15518595).

Almost surely, 2^99318984 is an apocalyptic number.

It is an amenable number.

99318984 is an abundant number, since it is smaller than the sum of its proper divisors (148978536).

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

99318984 is a wasteful number, since it uses less digits than its factorization.

99318984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4138300 (or 4138296 counting only the distinct ones).

The product of its digits is 559872, while the sum is 51.

The square root of 99318984 is about 9965.8910289045. The cubic root of 99318984 is about 463.1028169734.

It can be divided in two parts, 9931 and 8984, that added together give a triangular number (18915 = T₁₉₄).

The spelling of 99318984 in words is "ninety-nine million, three hundred eighteen thousand, nine hundred eighty-four".