99938412 has 36 divisors (see below), whose sum is σ = 288711696. Its totient is φ = 28553760.

The previous prime is 99938401. The next prime is 99938431. The reversal of 99938412 is 21483999.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198039 + ... + 198542.

Almost surely, 2^99938412 is an apocalyptic number.

It is an amenable number.

99938412 is an abundant number, since it is smaller than the sum of its proper divisors (188773284).

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

99938412 is a wasteful number, since it uses less digits than its factorization.

99938412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396598 (or 396593 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 99938412 is about 9996.9201257187. The cubic root of 99938412 is about 464.0635750681.

The spelling of 99938412 in words is "ninety-nine million, nine hundred thirty-eight thousand, four hundred twelve".