99855996 has 24 divisors (see below), whose sum is σ = 236476800. Its totient is φ = 32788272.

The previous prime is 99855983. The next prime is 99856027. The reversal of 99855996 is 69955899.

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, 61296 + ... + 62903.

It is an arithmetic number, because the mean of its divisors is an integer number (9853200).

Almost surely, 2^99855996 is an apocalyptic number.

It is an amenable number.

99855996 is an abundant number, since it is smaller than the sum of its proper divisors (136620804).

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

99855996 is a wasteful number, since it uses less digits than its factorization.

99855996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124273 (or 124271 counting only the distinct ones).

The product of its digits is 7873200, while the sum is 60.

The square root of 99855996 is about 9992.7972059879. The cubic root of 99855996 is about 463.9359738747.

The spelling of 99855996 in words is "ninety-nine million, eight hundred fifty-five thousand, nine hundred ninety-six".