99912904 has 64 divisors (see below), whose sum is σ = 233936640. Its totient is φ = 38949120.

The previous prime is 99912881. The next prime is 99912919. The reversal of 99912904 is 40921999.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50722 + ... + 52654.

It is an arithmetic number, because the mean of its divisors is an integer number (3655260).

Almost surely, 2^99912904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99912904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116968320).

99912904 is an abundant number, since it is smaller than the sum of its proper divisors (134023736).

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

99912904 is a wasteful number, since it uses less digits than its factorization.

99912904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030 (or 2026 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 43.

The square root of 99912904 is about 9995.6442513727. The cubic root of 99912904 is about 464.0240896134.

The spelling of 99912904 in words is "ninety-nine million, nine hundred twelve thousand, nine hundred four".