99000992 has 24 divisors (see below), whose sum is σ = 195240276. Its totient is φ = 49416192.

The previous prime is 99000991. The next prime is 99001031. The reversal of 99000992 is 29900099.

It can be written as a sum of positive squares in 2 ways, for example, as 87684496 + 11316496 = 9364^2 + 3364^2 .

It is not an unprimeable number, because it can be changed into a prime (99000991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19238 + ... + 23834.

Almost surely, 2^99000992 is an apocalyptic number.

It is an amenable number.

99000992 is a deficient number, since it is larger than the sum of its proper divisors (96239284).

99000992 is a wasteful number, since it uses less digits than its factorization.

99000992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5280 (or 5272 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 38.

The square root of 99000992 is about 9949.9242208170. The cubic root of 99000992 is about 462.6080460500.

The spelling of 99000992 in words is "ninety-nine million, nine hundred ninety-two", and thus it is an aban number.