99388912 has 20 divisors (see below), whose sum is σ = 220075696. Its totient is φ = 42595200.

The previous prime is 99388907. The next prime is 99388967. The reversal of 99388912 is 21988399.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443589 + ... + 443812.

Almost surely, 2^99388912 is an apocalyptic number.

It is an amenable number.

99388912 is an abundant number, since it is smaller than the sum of its proper divisors (120686784).

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

99388912 is a wasteful number, since it uses less digits than its factorization.

99388912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887416 (or 887410 counting only the distinct ones).

The product of its digits is 279936, while the sum is 49.

The square root of 99388912 is about 9969.3987782614. The cubic root of 99388912 is about 463.2114778264.

The spelling of 99388912 in words is "ninety-nine million, three hundred eighty-eight thousand, nine hundred twelve".