99371982 has 16 divisors (see below), whose sum is σ = 198860112. Its totient is φ = 33104640.

The previous prime is 99371977. The next prime is 99372023. The reversal of 99371982 is 28917399.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9598 + ... + 17054.

It is an arithmetic number, because the mean of its divisors is an integer number (12428757).

Almost surely, 2^99371982 is an apocalyptic number.

99371982 is an abundant number, since it is smaller than the sum of its proper divisors (99488130).

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

99371982 is a wasteful number, since it uses less digits than its factorization.

99371982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9683.

The product of its digits is 244944, while the sum is 48.

The square root of 99371982 is about 9968.5496437546. The cubic root of 99371982 is about 463.1851750410.

The spelling of 99371982 in words is "ninety-nine million, three hundred seventy-one thousand, nine hundred eighty-two".