36318636 has 18 divisors (see below), whose sum is σ = 91805532. Its totient is φ = 12106200.

The previous prime is 36318629. The next prime is 36318683. The reversal of 36318636 is 63681363.

36318636 is a `hidden beast` number, since 3 + 6 + 3 + 18 + 636 = 666.

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: 1008851 = 36318636 / (3 + 6 + 3 + 1 + 8 + 6 + 3 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 36318636.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 504390 + ... + 504461.

Almost surely, 2^36318636 is an apocalyptic number.

36318636 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

36318636 is an abundant number, since it is smaller than the sum of its proper divisors (55486896).

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

36318636 is a wasteful number, since it uses less digits than its factorization.

36318636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008861 (or 1008856 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 36318636 is about 6026.4945034406. The cubic root of 36318636 is about 331.1640433905.

Adding to 36318636 its reverse (63681363), we get a palindrome (99999999).

The spelling of 36318636 in words is "thirty-six million, three hundred eighteen thousand, six hundred thirty-six".