3666984 has 16 divisors (see below), whose sum is σ = 9167520. Its totient is φ = 1222320.

The previous prime is 3666979. The next prime is 3666991. The reversal of 3666984 is 4896663.

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, 76372 + ... + 76419.

It is an arithmetic number, because the mean of its divisors is an integer number (572970).

Almost surely, 2^3666984 is an apocalyptic number.

It is an amenable number.

3666984 is an abundant number, since it is smaller than the sum of its proper divisors (5500536).

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

3666984 is a wasteful number, since it uses less digits than its factorization.

3666984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152800 (or 152796 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 3666984 is about 1914.9370746842. The cubic root of 3666984 is about 154.2066153433.

The spelling of 3666984 in words is "three million, six hundred sixty-six thousand, nine hundred eighty-four".