99938976 has 48 divisors (see below), whose sum is σ = 268748928. Its totient is φ = 32499200.

The previous prime is 99938953. The next prime is 99938977. The reversal of 99938976 is 67983999.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (99938977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8760 + ... + 16631.

It is an arithmetic number, because the mean of its divisors is an integer number (5598936).

Almost surely, 2^99938976 is an apocalyptic number.

99938976 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

99938976 is an abundant number, since it is smaller than the sum of its proper divisors (168809952).

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

99938976 is a wasteful number, since it uses less digits than its factorization.

99938976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25445 (or 25437 counting only the distinct ones).

The product of its digits is 6613488, while the sum is 60.

The square root of 99938976 is about 9996.9483343668. The cubic root of 99938976 is about 464.0644480436.

The spelling of 99938976 in words is "ninety-nine million, nine hundred thirty-eight thousand, nine hundred seventy-six".