36621964 has 12 divisors (see below), whose sum is σ = 64149624. Its totient is φ = 18293504.

The previous prime is 36621953. The next prime is 36621973. The reversal of 36621964 is 46912663.

It is a happy number.

36621964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 1107 + ... + 8629.

It is an arithmetic number, because the mean of its divisors is an integer number (5345802).

Almost surely, 2^36621964 is an apocalyptic number.

It is an amenable number.

36621964 is a deficient number, since it is larger than the sum of its proper divisors (27527660).

36621964 is a wasteful number, since it uses less digits than its factorization.

36621964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8744 (or 8742 counting only the distinct ones).

The product of its digits is 46656, while the sum is 37.

The square root of 36621964 is about 6051.6083812487. The cubic root of 36621964 is about 332.0834333301.

The spelling of 36621964 in words is "thirty-six million, six hundred twenty-one thousand, nine hundred sixty-four".