99999804 has 24 divisors (see below), whose sum is σ = 233519440. Its totient is φ = 33306624.

The previous prime is 99999787. The next prime is 99999821. The reversal of 99999804 is 40899999.

It is an interprime number because it is at equal distance from previous prime (99999787) and next prime (99999821).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17532 + ... + 22524.

Almost surely, 2^99999804 is an apocalyptic number.

It is an amenable number.

99999804 is an abundant number, since it is smaller than the sum of its proper divisors (133519636).

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

99999804 is a wasteful number, since it uses less digits than its factorization.

99999804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6669 (or 6667 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 57.

The square root of 99999804 is about 9999.9901999952. The cubic root of 99999804 is about 464.1585801106.

The spelling of 99999804 in words is "ninety-nine million, nine hundred ninety-nine thousand, eight hundred four".