36564894 has 24 divisors (see below), whose sum is σ = 82669392. Its totient is φ = 11658240.

The previous prime is 36564893. The next prime is 36564937. The reversal of 36564894 is 49846563.

36564894 is a `hidden beast` number, since 3 + 6 + 564 + 89 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36564893) 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 11 ways as a sum of consecutive naturals, for example, 43747 + ... + 44574.

It is an arithmetic number, because the mean of its divisors is an integer number (3444558).

Almost surely, 2^36564894 is an apocalyptic number.

36564894 is an abundant number, since it is smaller than the sum of its proper divisors (46104498).

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

36564894 is a wasteful number, since it uses less digits than its factorization.

36564894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88352 (or 88349 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 36564894 is about 6046.8912674200. The cubic root of 36564894 is about 331.9108424161.

The spelling of 36564894 in words is "thirty-six million, five hundred sixty-four thousand, eight hundred ninety-four".