9216816 has 40 divisors (see below), whose sum is σ = 27212544. Its totient is φ = 2633280.

The previous prime is 9216799. The next prime is 9216833. The reversal of 9216816 is 6186129.

It is an interprime number because it is at equal distance from previous prime (9216799) and next prime (9216833).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13380 + ... + 14051.

Almost surely, 2^9216816 is an apocalyptic number.

It is an amenable number.

9216816 is an abundant number, since it is smaller than the sum of its proper divisors (17995728).

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

9216816 is a wasteful number, since it uses less digits than its factorization.

9216816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27449 (or 27443 counting only the distinct ones).

The product of its digits is 5184, while the sum is 33.

The square root of 9216816 is about 3035.9209475874. The cubic root of 9216816 is about 209.6654992157.

The spelling of 9216816 in words is "nine million, two hundred sixteen thousand, eight hundred sixteen".