3638064 has 20 divisors (see below), whose sum is σ = 9398456. Its totient is φ = 1212672.

The previous prime is 3638059. The next prime is 3638077. The reversal of 3638064 is 4608363.

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, 37849 + ... + 37944.

Almost surely, 2^3638064 is an apocalyptic number.

It is an amenable number.

3638064 is an abundant number, since it is smaller than the sum of its proper divisors (5760392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3638064 is a wasteful number, since it uses less digits than its factorization.

3638064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75804 (or 75798 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 3638064 is about 1907.3709654915. The cubic root of 3638064 is about 153.8001568132.

Subtracting 3638064 from its reverse (4608363), we obtain a cube (970299 = 99³).

The spelling of 3638064 in words is "three million, six hundred thirty-eight thousand, sixty-four".