99385188 has 24 divisors (see below), whose sum is σ = 265027392. Its totient is φ = 28395744.

The previous prime is 99385183. The next prime is 99385211. The reversal of 99385188 is 88158399.

It is a self number, because there is not a number n which added to its sum of digits gives 99385188.

It is not an unprimeable number, because it can be changed into a prime (99385183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591495 + ... + 591662.

It is an arithmetic number, because the mean of its divisors is an integer number (11042808).

Almost surely, 2^99385188 is an apocalyptic number.

It is an amenable number.

99385188 is an abundant number, since it is smaller than the sum of its proper divisors (165642204).

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

99385188 is a wasteful number, since it uses less digits than its factorization.

99385188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183171 (or 1183169 counting only the distinct ones).

The product of its digits is 622080, while the sum is 51.

The square root of 99385188 is about 9969.2120049681. The cubic root of 99385188 is about 463.2056924020.

The spelling of 99385188 in words is "ninety-nine million, three hundred eighty-five thousand, one hundred eighty-eight".