8690636 has 6 divisors (see below), whose sum is σ = 15208620. Its totient is φ = 4345316.

The previous prime is 8690611. The next prime is 8690639. The reversal of 8690636 is 6360968.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 8690636.

It is not an unprimeable number, because it can be changed into a prime (8690639) by changing a digit.

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 as a sum of consecutive naturals, namely, 1086326 + ... + 1086333.

It is an arithmetic number, because the mean of its divisors is an integer number (2534770).

Almost surely, 2^8690636 is an apocalyptic number.

It is an amenable number.

8690636 is a deficient number, since it is larger than the sum of its proper divisors (6517984).

8690636 is a wasteful number, since it uses less digits than its factorization.

8690636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172663 (or 2172661 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 8690636 is about 2947.9884667346. The cubic root of 8690636 is about 205.5971957305.

The spelling of 8690636 in words is "eight million, six hundred ninety thousand, six hundred thirty-six".