99804864 has 28 divisors (see below), whose sum is σ = 264067544. Its totient is φ = 33268224.

The previous prime is 99804827. The next prime is 99804893. The reversal of 99804864 is 46840899.

It is a super-2 number, since 2×99804864² = 19922021756116992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259717 + ... + 260100.

Almost surely, 2^99804864 is an apocalyptic number.

It is an amenable number.

99804864 is an abundant number, since it is smaller than the sum of its proper divisors (164262680).

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

99804864 is a wasteful number, since it uses less digits than its factorization.

99804864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519832 (or 519822 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 99804864 is about 9990.2384355930. The cubic root of 99804864 is about 463.8567730745.

The spelling of 99804864 in words is "ninety-nine million, eight hundred four thousand, eight hundred sixty-four".