99806315 has 16 divisors (see below), whose sum is σ = 142829568. Its totient is φ = 65462496.

The previous prime is 99806299. The next prime is 99806323. The reversal of 99806315 is 51360899.

It is a cyclic number.

It is not a de Polignac number, because 99806315 - 2⁴ = 99806299 is a prime.

It is a super-2 number, since 2×99806315² = 19922601027758450, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 61187 + ... + 62796.

It is an arithmetic number, because the mean of its divisors is an integer number (8926848).

Almost surely, 2^99806315 is an apocalyptic number.

99806315 is a deficient number, since it is larger than the sum of its proper divisors (43023253).

99806315 is a wasteful number, since it uses less digits than its factorization.

99806315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124018.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 99806315 is about 9990.3110562184. The cubic root of 99806315 is about 463.8590209706.

The spelling of 99806315 in words is "ninety-nine million, eight hundred six thousand, three hundred fifteen".