99520236 has 36 divisors (see below), whose sum is σ = 251887272. Its totient is φ = 33130944.

The previous prime is 99520207. The next prime is 99520277. The reversal of 99520236 is 63202599.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 99520236.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40680 + ... + 43056.

Almost surely, 2^99520236 is an apocalyptic number.

It is an amenable number.

99520236 is an abundant number, since it is smaller than the sum of its proper divisors (152367036).

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

99520236 is a wasteful number, since it uses less digits than its factorization.

99520236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3550 (or 3545 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 99520236 is about 9975.9829590873. The cubic root of 99520236 is about 463.4154040335.

The spelling of 99520236 in words is "ninety-nine million, five hundred twenty thousand, two hundred thirty-six".