99320564 has 12 divisors (see below), whose sum is σ = 198641184. Its totient is φ = 42565944.

The previous prime is 99320561. The next prime is 99320591. The reversal of 99320564 is 46502399.

99320564 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99320561) 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, 1773554 + ... + 1773609.

It is an arithmetic number, because the mean of its divisors is an integer number (16553432).

Almost surely, 2^99320564 is an apocalyptic number.

It is an amenable number.

99320564 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

99320564 is a wasteful number, since it uses less digits than its factorization.

99320564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3547174 (or 3547172 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 99320564 is about 9965.9702989724. The cubic root of 99320564 is about 463.1052726925.

The spelling of 99320564 in words is "ninety-nine million, three hundred twenty thousand, five hundred sixty-four".