99918996 has 24 divisors (see below), whose sum is σ = 246859200. Its totient is φ = 31347072.

The previous prime is 99918989. The next prime is 99919019. The reversal of 99918996 is 69981999.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244696 + ... + 245103.

It is an arithmetic number, because the mean of its divisors is an integer number (10285800).

Almost surely, 2^99918996 is an apocalyptic number.

It is an amenable number.

99918996 is an abundant number, since it is smaller than the sum of its proper divisors (146940204).

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

99918996 is a wasteful number, since it uses less digits than its factorization.

99918996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489823 (or 489821 counting only the distinct ones).

The product of its digits is 2834352, while the sum is 60.

The square root of 99918996 is about 9995.9489794616. The cubic root of 99918996 is about 464.0335204182.

The spelling of 99918996 in words is "ninety-nine million, nine hundred eighteen thousand, nine hundred ninety-six".