99984688 has 20 divisors (see below), whose sum is σ = 203916760. Its totient is φ = 47361024.

The previous prime is 99984679. The next prime is 99984697. The reversal of 99984688 is 88648999.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (99984679) and next prime (99984697).

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, 164145 + ... + 164752.

It is an arithmetic number, because the mean of its divisors is an integer number (10195838).

Almost surely, 2^99984688 is an apocalyptic number.

It is an amenable number.

99984688 is an abundant number, since it is smaller than the sum of its proper divisors (103932072).

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

99984688 is a wasteful number, since it uses less digits than its factorization.

99984688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328924 (or 328918 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 61.

The square root of 99984688 is about 9999.2343706906. The cubic root of 99984688 is about 464.1351914826.

The spelling of 99984688 in words is "ninety-nine million, nine hundred eighty-four thousand, six hundred eighty-eight".