99831942 has 24 divisors (see below), whose sum is σ = 247203216. Its totient is φ = 28523376.

The previous prime is 99831911. The next prime is 99831967. The reversal of 99831942 is 24913899.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 396033 + ... + 396284.

It is an arithmetic number, because the mean of its divisors is an integer number (10300134).

Almost surely, 2^99831942 is an apocalyptic number.

99831942 is an abundant number, since it is smaller than the sum of its proper divisors (147371274).

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

99831942 is a wasteful number, since it uses less digits than its factorization.

99831942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792332 (or 792329 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 99831942 is about 9991.5935665939. The cubic root of 99831942 is about 463.8987188523.

The spelling of 99831942 in words is "ninety-nine million, eight hundred thirty-one thousand, nine hundred forty-two".