3984564 has 24 divisors (see below), whose sum is σ = 9345280. Its totient is φ = 1321344.

The previous prime is 3984521. The next prime is 3984587. The reversal of 3984564 is 4654893.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1932 + ... + 3420.

Almost surely, 2^3984564 is an apocalyptic number.

It is an amenable number.

3984564 is an abundant number, since it is smaller than the sum of its proper divisors (5360716).

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

3984564 is a wasteful number, since it uses less digits than its factorization.

3984564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719 (or 1717 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 3984564 is about 1996.1372698289. The cubic root of 3984564 is about 158.5356492837.

The spelling of 3984564 in words is "three million, nine hundred eighty-four thousand, five hundred sixty-four".