99590868 has 36 divisors (see below), whose sum is σ = 271109748. Its totient is φ = 30643200.

The previous prime is 99590867. The next prime is 99590873. The reversal of 99590868 is 86809599.

It can be written as a sum of positive squares in 2 ways, for example, as 52969284 + 46621584 = 7278^2 + 6828^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99590863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105933 + ... + 106868.

Almost surely, 2^99590868 is an apocalyptic number.

It is an amenable number.

99590868 is an abundant number, since it is smaller than the sum of its proper divisors (171518880).

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

99590868 is a wasteful number, since it uses less digits than its factorization.

99590868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212824 (or 212819 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The square root of 99590868 is about 9979.5224334634. The cubic root of 99590868 is about 463.5250106074.

The spelling of 99590868 in words is "ninety-nine million, five hundred ninety thousand, eight hundred sixty-eight".