99575604 has 36 divisors (see below), whose sum is σ = 252235620. Its totient is φ = 33121920.

The previous prime is 99575557. The next prime is 99575611. The reversal of 99575604 is 40657599.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9363600 + 90212004 = 3060^2 + 9498^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 99575604.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 16102 + ... + 21410.

It is an arithmetic number, because the mean of its divisors is an integer number (7006545).

Almost surely, 2^99575604 is an apocalyptic number.

It is an amenable number.

99575604 is an abundant number, since it is smaller than the sum of its proper divisors (152660016).

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

99575604 is a wasteful number, since it uses less digits than its factorization.

99575604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5840 (or 5835 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The square root of 99575604 is about 9978.7576381031. The cubic root of 99575604 is about 463.5013283582.

The spelling of 99575604 in words is "ninety-nine million, five hundred seventy-five thousand, six hundred four".