99679492 has 12 divisors (see below), whose sum is σ = 190297296. Its totient is φ = 45308840.

The previous prime is 99679471. The next prime is 99679499. The reversal of 99679492 is 29497699.

It is a super-2 number, since 2×99679492² = 19872002250756128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99679499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1132678 + ... + 1132765.

It is an arithmetic number, because the mean of its divisors is an integer number (15858108).

Almost surely, 2^99679492 is an apocalyptic number.

It is an amenable number.

99679492 is a deficient number, since it is larger than the sum of its proper divisors (90617804).

99679492 is a wasteful number, since it uses less digits than its factorization.

99679492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265458 (or 2265456 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 55.

The square root of 99679492 is about 9983.9617387087. The cubic root of 99679492 is about 463.6624638435.

The spelling of 99679492 in words is "ninety-nine million, six hundred seventy-nine thousand, four hundred ninety-two".