9900065 has 16 divisors (see below), whose sum is σ = 13910400. Its totient is φ = 6622080.

The previous prime is 9900047. The next prime is 9900091. The reversal of 9900065 is 5600099.

It is not a de Polignac number, because 9900065 - 2⁸ = 9899809 is a prime.

It is a super-2 number, since 2×9900065² = 196022574008450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2015 + ... + 4884.

It is an arithmetic number, because the mean of its divisors is an integer number (869400).

Almost surely, 2^9900065 is an apocalyptic number.

It is an amenable number.

9900065 is a deficient number, since it is larger than the sum of its proper divisors (4010335).

9900065 is a wasteful number, since it uses less digits than its factorization.

9900065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6952.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 9900065 is about 3146.4368736716. The cubic root of 9900065 is about 214.7233868332.

The spelling of 9900065 in words is "nine million, nine hundred thousand, sixty-five".