99964588 has 12 divisors (see below), whose sum is σ = 175081032. Its totient is φ = 49941440.

The previous prime is 99964577. The next prime is 99964589. The reversal of 99964588 is 88546999.

It is not an unprimeable number, because it can be changed into a prime (99964589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4333 + ... + 14788.

It is an arithmetic number, because the mean of its divisors is an integer number (14590086).

Almost surely, 2^99964588 is an apocalyptic number.

It is an amenable number.

99964588 is a deficient number, since it is larger than the sum of its proper divisors (75116444).

99964588 is a wasteful number, since it uses less digits than its factorization.

99964588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20432 (or 20430 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 58.

The square root of 99964588 is about 9998.2292432210. The cubic root of 99964588 is about 464.1040875781.

The spelling of 99964588 in words is "ninety-nine million, nine hundred sixty-four thousand, five hundred eighty-eight".