99587904 has 112 divisors (see below), whose sum is σ = 300581568. Its totient is φ = 28827648.

The previous prime is 99587879. The next prime is 99587933. The reversal of 99587904 is 40978599.

It is a happy number.

It is a super-2 number, since 2×99587904² = 19835501246226432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41259 + ... + 43605.

It is an arithmetic number, because the mean of its divisors is an integer number (2683764).

Almost surely, 2^99587904 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 99587904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150290784).

99587904 is an abundant number, since it is smaller than the sum of its proper divisors (200993664).

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

99587904 is a wasteful number, since it uses less digits than its factorization.

99587904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2392 (or 2382 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 99587904 is about 9979.3739282582. The cubic root of 99587904 is about 463.5204121210.

The spelling of 99587904 in words is "ninety-nine million, five hundred eighty-seven thousand, nine hundred four".