536686636 has 12 divisors (see below), whose sum is σ = 939598128. Its totient is φ = 268230032.

The previous prime is 536686621. The next prime is 536686637. The reversal of 536686636 is 636686635.

It is a self number, because there is not a number n which added to its sum of digits gives 536686636.

It is not an unprimeable number, because it can be changed into a prime (536686637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17176 + ... + 36991.

It is an arithmetic number, because the mean of its divisors is an integer number (78299844).

Almost surely, 2^536686636 is an apocalyptic number.

It is an amenable number.

536686636 is a deficient number, since it is larger than the sum of its proper divisors (402911492).

536686636 is a wasteful number, since it uses less digits than its factorization.

536686636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56648 (or 56646 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 49.

The square root of 536686636 is about 23166.4981384757. The cubic root of 536686636 is about 812.6563383894.

Subtracting 536686636 from its reverse (636686635), we obtain a palindrome (99999999).

The spelling of 536686636 in words is "five hundred thirty-six million, six hundred eighty-six thousand, six hundred thirty-six".