99287604 has 72 divisors (see below), whose sum is σ = 271499592. Its totient is φ = 30412800.

The previous prime is 99287593. The next prime is 99287621. The reversal of 99287604 is 40678299.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10890000 + 88397604 = 3300^2 + 9402^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 99287604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164904 + ... + 165504.

Almost surely, 2^99287604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99287604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135749796).

99287604 is an abundant number, since it is smaller than the sum of its proper divisors (172211988).

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

99287604 is a wasteful number, since it uses less digits than its factorization.

99287604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977 (or 972 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 99287604 is about 9964.3165345145. The cubic root of 99287604 is about 463.0540391314.

The spelling of 99287604 in words is "ninety-nine million, two hundred eighty-seven thousand, six hundred four".