8913636 has 18 divisors (see below), whose sum is σ = 22531782. Its totient is φ = 2971200.

The previous prime is 8913623. The next prime is 8913677. The reversal of 8913636 is 6363198.

It is a happy number.

8913636 is a `hidden beast` number, since 8 + 9 + 13 + 636 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8156736 + 756900 = 2856^2 + 870^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 247601 = 8913636 / (8 + 9 + 1 + 3 + 6 + 3 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 8913636.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123765 + ... + 123836.

Almost surely, 2^8913636 is an apocalyptic number.

It is an amenable number.

8913636 is an abundant number, since it is smaller than the sum of its proper divisors (13618146).

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

8913636 is a wasteful number, since it uses less digits than its factorization.

8913636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247611 (or 247606 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 8913636 is about 2985.5713021129. The cubic root of 8913636 is about 207.3408931762.

The spelling of 8913636 in words is "eight million, nine hundred thirteen thousand, six hundred thirty-six".