9968865 has 16 divisors (see below), whose sum is σ = 16078848. Its totient is φ = 5273856.

The previous prime is 9968857. The next prime is 9968879. The reversal of 9968865 is 5688699.

It is not a de Polignac number, because 9968865 - 2³ = 9968857 is a prime.

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, 712 + ... + 4521.

It is an arithmetic number, because the mean of its divisors is an integer number (1004928).

Almost surely, 2^9968865 is an apocalyptic number.

It is an amenable number.

9968865 is a deficient number, since it is larger than the sum of its proper divisors (6109983).

9968865 is a wasteful number, since it uses less digits than its factorization.

9968865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5368.

The product of its digits is 933120, while the sum is 51.

The square root of 9968865 is about 3157.3509466006. The cubic root of 9968865 is about 215.2196421336.

The spelling of 9968865 in words is "nine million, nine hundred sixty-eight thousand, eight hundred sixty-five".