99079940 has 12 divisors (see below), whose sum is σ = 208067916. Its totient is φ = 39631968.

The previous prime is 99079933. The next prime is 99079957. The reversal of 99079940 is 4997099.

It can be written as a sum of positive squares in 2 ways, for example, as 33825856 + 65254084 = 5816^2 + 8078^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2476979 + ... + 2477018.

It is an arithmetic number, because the mean of its divisors is an integer number (17338993).

Almost surely, 2^99079940 is an apocalyptic number.

It is an amenable number.

99079940 is an abundant number, since it is smaller than the sum of its proper divisors (108987976).

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

99079940 is a wasteful number, since it uses less digits than its factorization.

99079940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4954006 (or 4954004 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 47.

The square root of 99079940 is about 9953.8906966070. The cubic root of 99079940 is about 462.7309817751.

The spelling of 99079940 in words is "ninety-nine million, seventy-nine thousand, nine hundred forty".