9663216 has 40 divisors (see below), whose sum is σ = 25642704. Its totient is φ = 3133440.

The previous prime is 9663187. The next prime is 9663217. The reversal of 9663216 is 6123669.

It is a happy number.

9663216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9663217) 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, 945 + ... + 4496.

Almost surely, 2^9663216 is an apocalyptic number.

It is an amenable number.

9663216 is an abundant number, since it is smaller than the sum of its proper divisors (15979488).

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

9663216 is a wasteful number, since it uses less digits than its factorization.

9663216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5489 (or 5483 counting only the distinct ones).

The product of its digits is 11664, while the sum is 33.

The square root of 9663216 is about 3108.5713760504. The cubic root of 9663216 is about 212.9972006950.

The spelling of 9663216 in words is "nine million, six hundred sixty-three thousand, two hundred sixteen".