9663636 has 24 divisors (see below), whose sum is σ = 22607424. Its totient is φ = 3212800.

The previous prime is 9663629. The next prime is 9663677. The reversal of 9663636 is 6363669.

It is a junction number, because it is equal to n+sod(n) for n = 9663594 and 9663603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5236 + ... + 6836.

It is an arithmetic number, because the mean of its divisors is an integer number (941976).

Almost surely, 2^9663636 is an apocalyptic number.

It is an amenable number.

9663636 is an abundant number, since it is smaller than the sum of its proper divisors (12943788).

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

9663636 is a wasteful number, since it uses less digits than its factorization.

9663636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111 (or 2109 counting only the distinct ones).

The product of its digits is 104976, while the sum is 39.

The square root of 9663636 is about 3108.6389304646. The cubic root of 9663636 is about 213.0002865389. Note that the first 3 decimals are identical.

Subtracting from 9663636 its sum of digits (39), we obtain a cube (9663597 = 213³).

The spelling of 9663636 in words is "nine million, six hundred sixty-three thousand, six hundred thirty-six".