99590388 has 24 divisors (see below), whose sum is σ = 233056992. Its totient is φ = 33099744.

The previous prime is 99590371. The next prime is 99590411. The reversal of 99590388 is 88309599.

It is a self number, because there is not a number n which added to its sum of digits gives 99590388.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7795 + ... + 16122.

It is an arithmetic number, because the mean of its divisors is an integer number (9710708).

Almost surely, 2^99590388 is an apocalyptic number.

It is an amenable number.

99590388 is an abundant number, since it is smaller than the sum of its proper divisors (133466604).

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

99590388 is a wasteful number, since it uses less digits than its factorization.

99590388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24271 (or 24269 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 51.

The square root of 99590388 is about 9979.4983841875. The cubic root of 99590388 is about 463.5242659194.

The spelling of 99590388 in words is "ninety-nine million, five hundred ninety thousand, three hundred eighty-eight".