99315909 has 128 divisors (see below), whose sum is σ = 200540160. Its totient is φ = 47044800.

The previous prime is 99315883. The next prime is 99315919. The reversal of 99315909 is 90951399.

It is not a de Polignac number, because 99315909 - 2⁷ = 99315781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99315919) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1482294 + ... + 1482360.

It is an arithmetic number, because the mean of its divisors is an integer number (1566720).

Almost surely, 2^99315909 is an apocalyptic number.

99315909 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

It is an amenable number.

99315909 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

99315909 is a wasteful number, since it uses less digits than its factorization.

99315909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 98415, while the sum is 45.

The square root of 99315909 is about 9965.7367514901. The cubic root of 99315909 is about 463.0980375721.

The spelling of 99315909 in words is "ninety-nine million, three hundred fifteen thousand, nine hundred nine".