99992912 has 20 divisors (see below), whose sum is σ = 205133076. Its totient is φ = 47055360.

The previous prime is 99992911. The next prime is 99992917. The reversal of 99992912 is 21929999.

It can be written as a sum of positive squares in 2 ways, for example, as 64899136 + 35093776 = 8056^2 + 5924^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99992911) 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, 183539 + ... + 184082.

Almost surely, 2^99992912 is an apocalyptic number.

It is an amenable number.

99992912 is an abundant number, since it is smaller than the sum of its proper divisors (105140164).

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

99992912 is a wasteful number, since it uses less digits than its factorization.

99992912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367646 (or 367640 counting only the distinct ones).

The product of its digits is 236196, while the sum is 50.

The square root of 99992912 is about 9999.6455937198. The cubic root of 99992912 is about 464.1479165749.

The spelling of 99992912 in words is "ninety-nine million, nine hundred ninety-two thousand, nine hundred twelve".