99992904 has 32 divisors (see below), whose sum is σ = 272708640. Its totient is φ = 30300800.

The previous prime is 99992903. The next prime is 99992911. The reversal of 99992904 is 40929999.

It is not an unprimeable number, because it can be changed into a prime (99992903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189117 + ... + 189644.

It is an arithmetic number, because the mean of its divisors is an integer number (8522145).

Almost surely, 2^99992904 is an apocalyptic number.

It is an amenable number.

99992904 is an abundant number, since it is smaller than the sum of its proper divisors (172715736).

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

99992904 is a wasteful number, since it uses less digits than its factorization.

99992904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378781 (or 378777 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 51.

The square root of 99992904 is about 9999.6451937056. The cubic root of 99992904 is about 464.1479041968.

The spelling of 99992904 in words is "ninety-nine million, nine hundred ninety-two thousand, nine hundred four".