99588388 has 6 divisors (see below), whose sum is σ = 174279686. Its totient is φ = 49794192.

The previous prime is 99588383. The next prime is 99588409. The reversal of 99588388 is 88388599.

It can be written as a sum of positive squares in only one way, i.e., 97970404 + 1617984 = 9898^2 + 1272^2 .

It is not an unprimeable number, because it can be changed into a prime (99588383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12448545 + ... + 12448552.

Almost surely, 2^99588388 is an apocalyptic number.

It is an amenable number.

99588388 is a deficient number, since it is larger than the sum of its proper divisors (74691298).

99588388 is a wasteful number, since it uses less digits than its factorization.

99588388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24897101 (or 24897099 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 58.

The square root of 99588388 is about 9979.3981782470. The cubic root of 99588388 is about 463.5211630272.

The spelling of 99588388 in words is "ninety-nine million, five hundred eighty-eight thousand, three hundred eighty-eight".