9216916 has 6 divisors (see below), whose sum is σ = 16129610. Its totient is φ = 4608456.

The previous prime is 9216913. The next prime is 9216943. The reversal of 9216916 is 6196129.

It can be written as a sum of positive squares in only one way, i.e., 9060100 + 156816 = 3010^2 + 396^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9216913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1152111 + ... + 1152118.

Almost surely, 2^9216916 is an apocalyptic number.

It is an amenable number.

9216916 is a deficient number, since it is larger than the sum of its proper divisors (6912694).

9216916 is a wasteful number, since it uses less digits than its factorization.

9216916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304233 (or 2304231 counting only the distinct ones).

The product of its digits is 5832, while the sum is 34.

The square root of 9216916 is about 3035.9374170098. The cubic root of 9216916 is about 209.6662574846. Note that the first 3 decimals are identical.

It can be divided in two parts, 921 and 6916, that multiplied together give a palindrome (6369636).

The spelling of 9216916 in words is "nine million, two hundred sixteen thousand, nine hundred sixteen".