36518216 has 32 divisors (see below), whose sum is σ = 79429440. Its totient is φ = 15415488.

The previous prime is 36518197. The next prime is 36518233. The reversal of 36518216 is 61281563.

It is a happy number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1115 + ... + 8618.

It is an arithmetic number, because the mean of its divisors is an integer number (2482170).

Almost surely, 2^36518216 is an apocalyptic number.

It is an amenable number.

36518216 is an abundant number, since it is smaller than the sum of its proper divisors (42911224).

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

36518216 is a wasteful number, since it uses less digits than its factorization.

36518216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9813 (or 9809 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 36518216 is about 6043.0303656361. The cubic root of 36518216 is about 331.7695453965.

Adding to 36518216 its reverse (61281563), we get a palindrome (97799779).

It can be divided in two parts, 365 and 18216, that added together give a palindrome (18581).

The spelling of 36518216 in words is "thirty-six million, five hundred eighteen thousand, two hundred sixteen".