9111216 has 20 divisors (see below), whose sum is σ = 23537432. Its totient is φ = 3037056.

The previous prime is 9111199. The next prime is 9111229. The reversal of 9111216 is 6121119.

It is a junction number, because it is equal to n+sod(n) for n = 9111192 and 9111201.

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, 94861 + ... + 94956.

Almost surely, 2^9111216 is an apocalyptic number.

It is an amenable number.

9111216 is an abundant number, since it is smaller than the sum of its proper divisors (14426216).

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

9111216 is a wasteful number, since it uses less digits than its factorization.

9111216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189828 (or 189822 counting only the distinct ones).

The product of its digits is 108, while the sum is 21.

The square root of 9111216 is about 3018.4790872226. The cubic root of 9111216 is about 208.8616866813.

The spelling of 9111216 in words is "nine million, one hundred eleven thousand, two hundred sixteen".