9916864 has 28 divisors (see below), whose sum is σ = 20537424. Its totient is φ = 4742144.

The previous prime is 9916849. The next prime is 9916873. The reversal of 9916864 is 4686199.

It is a self number, because there is not a number n which added to its sum of digits gives 9916864.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1897 + ... + 4840.

Almost surely, 2^9916864 is an apocalyptic number.

It is an amenable number.

9916864 is an abundant number, since it is smaller than the sum of its proper divisors (10620560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9916864 is a wasteful number, since it uses less digits than its factorization.

9916864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6772 (or 6762 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The square root of 9916864 is about 3149.1052697552. The cubic root of 9916864 is about 214.8447698689.

The spelling of 9916864 in words is "nine million, nine hundred sixteen thousand, eight hundred sixty-four".