9986636 has 24 divisors (see below), whose sum is σ = 19160064. Its totient is φ = 4516880.

The previous prime is 9986611. The next prime is 9986651. The reversal of 9986636 is 6366899.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11141 + ... + 12003.

It is an arithmetic number, because the mean of its divisors is an integer number (798336).

Almost surely, 2^9986636 is an apocalyptic number.

It is an amenable number.

9986636 is a deficient number, since it is larger than the sum of its proper divisors (9173428).

9986636 is a wasteful number, since it uses less digits than its factorization.

9986636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141 (or 1139 counting only the distinct ones).

The product of its digits is 419904, while the sum is 47.

The square root of 9986636 is about 3160.1639197991. The cubic root of 9986636 is about 215.3474533347.

The spelling of 9986636 in words is "nine million, nine hundred eighty-six thousand, six hundred thirty-six".