99938928 has 20 divisors (see below), whose sum is σ = 258175688. Its totient is φ = 33312960.

The previous prime is 99938921. The next prime is 99938941. The reversal of 99938928 is 82983999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99938921) 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, 1040983 + ... + 1041078.

Almost surely, 2^99938928 is an apocalyptic number.

It is an amenable number.

99938928 is an abundant number, since it is smaller than the sum of its proper divisors (158236760).

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

99938928 is a wasteful number, since it uses less digits than its factorization.

99938928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082072 (or 2082066 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 57.

The square root of 99938928 is about 9996.9459336339. The cubic root of 99938928 is about 464.0643737479.

The spelling of 99938928 in words is "ninety-nine million, nine hundred thirty-eight thousand, nine hundred twenty-eight".