9201216 has 56 divisors (see below), whose sum is σ = 25786080. Its totient is φ = 2885632.

The previous prime is 9201211. The next prime is 9201217. The reversal of 9201216 is 6121029.

It is a junction number, because it is equal to n+sod(n) for n = 9201192 and 9201201.

It is not an unprimeable number, because it can be changed into a prime (9201211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1855 + ... + 4673.

Almost surely, 2^9201216 is an apocalyptic number.

9201216 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9201216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12893040).

9201216 is an abundant number, since it is smaller than the sum of its proper divisors (16584864).

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

9201216 is a wasteful number, since it uses less digits than its factorization.

9201216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2851 (or 2841 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 9201216 is about 3033.3506226614. The cubic root of 9201216 is about 209.5471420428.

The spelling of 9201216 in words is "nine million, two hundred one thousand, two hundred sixteen".