36644536 has 16 divisors (see below), whose sum is σ = 69090840. Its totient is φ = 18220320.

The previous prime is 36644501. The next prime is 36644539. The reversal of 36644536 is 63544663.

36644536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 36644495 and 36644504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36644539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11206 + ... + 14101.

Almost surely, 2^36644536 is an apocalyptic number.

It is an amenable number.

36644536 is a deficient number, since it is larger than the sum of its proper divisors (32446304).

36644536 is a wasteful number, since it uses less digits than its factorization.

36644536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25494 (or 25490 counting only the distinct ones).

The product of its digits is 155520, while the sum is 37.

The square root of 36644536 is about 6053.4730527194. The cubic root of 36644536 is about 332.1516460178.

The spelling of 36644536 in words is "thirty-six million, six hundred forty-four thousand, five hundred thirty-six".