99918836 has 12 divisors (see below), whose sum is σ = 174929412. Its totient is φ = 49939008.

The previous prime is 99918829. The next prime is 99918857. The reversal of 99918836 is 63881999.

It can be written as a sum of positive squares in 2 ways, for example, as 57668836 + 42250000 = 7594^2 + 6500^2 .

It is a congruent number.

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, 13226 + ... + 19358.

It is an arithmetic number, because the mean of its divisors is an integer number (14577451).

Almost surely, 2^99918836 is an apocalyptic number.

It is an amenable number.

99918836 is a deficient number, since it is larger than the sum of its proper divisors (75010576).

99918836 is a wasteful number, since it uses less digits than its factorization.

99918836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10210 (or 10208 counting only the distinct ones).

The product of its digits is 839808, while the sum is 53.

The square root of 99918836 is about 9995.9409762163. The cubic root of 99918836 is about 464.0332727329.

The spelling of 99918836 in words is "ninety-nine million, nine hundred eighteen thousand, eight hundred thirty-six".