99279684 has 108 divisors (see below), whose sum is σ = 304746624. Its totient is φ = 27121248.

The previous prime is 99279679. The next prime is 99279721. The reversal of 99279684 is 48697299.

It is a self number, because there is not a number n which added to its sum of digits gives 99279684.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 39349 + ... + 41795.

It is an arithmetic number, because the mean of its divisors is an integer number (2821728).

Almost surely, 2^99279684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99279684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152373312).

99279684 is an abundant number, since it is smaller than the sum of its proper divisors (205466940).

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

99279684 is a wasteful number, since it uses less digits than its factorization.

99279684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494 (or 2482 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 99279684 is about 9963.9191084633. The cubic root of 99279684 is about 463.0417264647.

The spelling of 99279684 in words is "ninety-nine million, two hundred seventy-nine thousand, six hundred eighty-four".