99436885 has 8 divisors (see below), whose sum is σ = 120419640. Its totient is φ = 78819264.

The previous prime is 99436867. The next prime is 99436901. The reversal of 99436885 is 58863499.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5560164 + 93876721 = 2358^2 + 9689^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99436885 - 2⁹ = 99436373 is a prime.

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, 90682 + ... + 91771.

It is an arithmetic number, because the mean of its divisors is an integer number (15052455).

Almost surely, 2^99436885 is an apocalyptic number.

It is an amenable number.

99436885 is a deficient number, since it is larger than the sum of its proper divisors (20982755).

99436885 is a wasteful number, since it uses less digits than its factorization.

99436885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182567.

The product of its digits is 1866240, while the sum is 52.

The square root of 99436885 is about 9971.8045006909. The cubic root of 99436885 is about 463.2859934151.

The spelling of 99436885 in words is "ninety-nine million, four hundred thirty-six thousand, eight hundred eighty-five".