99536909 has 4 divisors (see below), whose sum is σ = 99580800. Its totient is φ = 99493020.

The previous prime is 99536881. The next prime is 99536923. The reversal of 99536909 is 90963599.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 99536909 - 2²⁴ = 82759693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99536999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18347 + ... + 23144.

It is an arithmetic number, because the mean of its divisors is an integer number (24895200).

Almost surely, 2^99536909 is an apocalyptic number.

It is an amenable number.

99536909 is a deficient number, since it is larger than the sum of its proper divisors (43891).

99536909 is a wasteful number, since it uses less digits than its factorization.

99536909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43890.

The product of its (nonzero) digits is 590490, while the sum is 50.

The square root of 99536909 is about 9976.8185810909. The cubic root of 99536909 is about 463.4412818311.

The spelling of 99536909 in words is "ninety-nine million, five hundred thirty-six thousand, nine hundred nine".