3659564 has 6 divisors (see below), whose sum is σ = 6404244. Its totient is φ = 1829780.

The previous prime is 3659543. The next prime is 3659567. The reversal of 3659564 is 4659563.

It is not an unprimeable number, because it can be changed into a prime (3659567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 457442 + ... + 457449.

It is an arithmetic number, because the mean of its divisors is an integer number (1067374).

Almost surely, 2^3659564 is an apocalyptic number.

It is an amenable number.

3659564 is a deficient number, since it is larger than the sum of its proper divisors (2744680).

3659564 is a wasteful number, since it uses less digits than its factorization.

3659564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914895 (or 914893 counting only the distinct ones).

The product of its digits is 97200, while the sum is 38.

The square root of 3659564 is about 1912.9986931517. The cubic root of 3659564 is about 154.1025347409.

Subtracting 3659564 from its reverse (4659563), we obtain a palindrome (999999).

The spelling of 3659564 in words is "three million, six hundred fifty-nine thousand, five hundred sixty-four".