99967938 has 24 divisors (see below), whose sum is σ = 232579152. Its totient is φ = 28562184.

The previous prime is 99967937. The next prime is 99967961. The reversal of 99967938 is 83976999.

It is not an unprimeable number, because it can be changed into a prime (99967937) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169720 + ... + 170307.

It is an arithmetic number, because the mean of its divisors is an integer number (9690798).

Almost surely, 2^99967938 is an apocalyptic number.

99967938 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

99967938 is an abundant number, since it is smaller than the sum of its proper divisors (132611214).

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

99967938 is a wasteful number, since it uses less digits than its factorization.

99967938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340046 (or 340039 counting only the distinct ones).

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

The square root of 99967938 is about 9998.3967714829. The cubic root of 99967938 is about 464.1092718517.

The spelling of 99967938 in words is "ninety-nine million, nine hundred sixty-seven thousand, nine hundred thirty-eight".