99990092 has 12 divisors (see below), whose sum is σ = 175389816. Its totient is φ = 49878720.

The previous prime is 99990091. The next prime is 99990113. The reversal of 99990092 is 29009999.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (99990091) 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, 27134 + ... + 30597.

It is an arithmetic number, because the mean of its divisors is an integer number (14615818).

Almost surely, 2^99990092 is an apocalyptic number.

It is an amenable number.

99990092 is a deficient number, since it is larger than the sum of its proper divisors (75399724).

99990092 is a wasteful number, since it uses less digits than its factorization.

99990092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58168 (or 58166 counting only the distinct ones).

The product of its (nonzero) digits is 118098, while the sum is 47.

The square root of 99990092 is about 9999.5045877283. The cubic root of 99990092 is about 464.1435532342.

The spelling of 99990092 in words is "ninety-nine million, nine hundred ninety thousand, ninety-two".