36005644 has 12 divisors (see below), whose sum is σ = 63873544. Its totient is φ = 17756064.

The previous prime is 36005639. The next prime is 36005653. The reversal of 36005644 is 44650063.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 61362 + ... + 61945.

Almost surely, 2^36005644 is an apocalyptic number.

It is an amenable number.

36005644 is a deficient number, since it is larger than the sum of its proper divisors (27867900).

36005644 is a wasteful number, since it uses less digits than its factorization.

36005644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123384 (or 123382 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 36005644 is about 6000.4703149003. The cubic root of 36005644 is about 330.2099796150.

The spelling of 36005644 in words is "thirty-six million, five thousand, six hundred forty-four".