9663996 has 12 divisors (see below), whose sum is σ = 22549352. Its totient is φ = 3221328.

The previous prime is 9663977. The next prime is 9664003. The reversal of 9663996 is 6993669.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 402655 + ... + 402678.

Almost surely, 2^9663996 is an apocalyptic number.

It is an amenable number.

9663996 is an abundant number, since it is smaller than the sum of its proper divisors (12885356).

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

9663996 is a wasteful number, since it uses less digits than its factorization.

9663996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805340 (or 805338 counting only the distinct ones).

The product of its digits is 472392, while the sum is 48.

The square root of 9663996 is about 3108.6968330797. The cubic root of 9663996 is about 213.0029314768.

The spelling of 9663996 in words is "nine million, six hundred sixty-three thousand, nine hundred ninety-six".