9663916 has 12 divisors (see below), whose sum is σ = 17086888. Its totient is φ = 4781952.

The previous prime is 9663911. The next prime is 9663917. The reversal of 9663916 is 6193669.

It is a happy number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (9663911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12066 + ... + 12841.

Almost surely, 2^9663916 is an apocalyptic number.

It is an amenable number.

9663916 is a deficient number, since it is larger than the sum of its proper divisors (7422972).

9663916 is a wasteful number, since it uses less digits than its factorization.

9663916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25008 (or 25006 counting only the distinct ones).

The product of its digits is 52488, while the sum is 40.

The square root of 9663916 is about 3108.6839659251. The cubic root of 9663916 is about 213.0023437185.

The spelling of 9663916 in words is "nine million, six hundred sixty-three thousand, nine hundred sixteen".