99412992 has 264 divisors, whose sum is σ = 347433216. Its totient is φ = 26763264.

The previous prime is 99412961. The next prime is 99413029. The reversal of 99412992 is 29921499.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1483743 + ... + 1483809.

Almost surely, 2^99412992 is an apocalyptic number.

99412992 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99412992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173716608).

99412992 is an abundant number, since it is smaller than the sum of its proper divisors (248020224).

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

99412992 is a wasteful number, since it uses less digits than its factorization.

99412992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 102 counting only the distinct ones).

The product of its digits is 104976, while the sum is 45.

The square root of 99412992 is about 9970.6064008164. The cubic root of 99412992 is about 463.2488838491.

The spelling of 99412992 in words is "ninety-nine million, four hundred twelve thousand, nine hundred ninety-two".