36438964 has 12 divisors (see below), whose sum is σ = 65967300. Its totient is φ = 17591168.

The previous prime is 36438943. The next prime is 36438971. The reversal of 36438964 is 46983463.

It can be written as a sum of positive squares in 2 ways, for example, as 30338064 + 6100900 = 5508^2 + 2470^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 36438964.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156949 + ... + 157180.

It is an arithmetic number, because the mean of its divisors is an integer number (5497275).

Almost surely, 2^36438964 is an apocalyptic number.

It is an amenable number.

36438964 is a deficient number, since it is larger than the sum of its proper divisors (29528336).

36438964 is a wasteful number, since it uses less digits than its factorization.

36438964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314162 (or 314160 counting only the distinct ones).

The product of its digits is 373248, while the sum is 43.

The square root of 36438964 is about 6036.4694979764. The cubic root of 36438964 is about 331.5293689718.

The spelling of 36438964 in words is "thirty-six million, four hundred thirty-eight thousand, nine hundred sixty-four".