36420644 has 48 divisors (see below), whose sum is σ = 73006080. Its totient is φ = 15759360.

The previous prime is 36420623. The next prime is 36420653. The reversal of 36420644 is 44602463.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188612 + ... + 188804.

It is an arithmetic number, because the mean of its divisors is an integer number (1520960).

Almost surely, 2^36420644 is an apocalyptic number.

It is an amenable number.

36420644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

36420644 is a wasteful number, since it uses less digits than its factorization.

36420644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 36420644 is about 6034.9518639340. The cubic root of 36420644 is about 331.4737999187.

The spelling of 36420644 in words is "thirty-six million, four hundred twenty thousand, six hundred forty-four".