36504891 has 16 divisors (see below), whose sum is σ = 54825120. Its totient is φ = 24001920.

The previous prime is 36504889. The next prime is 36504913. The reversal of 36504891 is 19840563.

It is not a de Polignac number, because 36504891 - 2¹ = 36504889 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (36504821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7290 + ... + 11231.

It is an arithmetic number, because the mean of its divisors is an integer number (3426570).

Almost surely, 2^36504891 is an apocalyptic number.

36504891 is a deficient number, since it is larger than the sum of its proper divisors (18320229).

36504891 is a wasteful number, since it uses less digits than its factorization.

36504891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18603 (or 18597 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 36504891 is about 6041.9277552781. The cubic root of 36504891 is about 331.7291877569.

The spelling of 36504891 in words is "thirty-six million, five hundred four thousand, eight hundred ninety-one".