3646984 has 16 divisors (see below), whose sum is σ = 7459920. Its totient is φ = 1657680.

The previous prime is 3646963. The next prime is 3646997. The reversal of 3646984 is 4896463.

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, 20634 + ... + 20809.

It is an arithmetic number, because the mean of its divisors is an integer number (466245).

Almost surely, 2^3646984 is an apocalyptic number.

It is an amenable number.

3646984 is an abundant number, since it is smaller than the sum of its proper divisors (3812936).

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

3646984 is a wasteful number, since it uses less digits than its factorization.

3646984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41460 (or 41456 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 3646984 is about 1909.7078310569. The cubic root of 3646984 is about 153.9257527065.

The spelling of 3646984 in words is "three million, six hundred forty-six thousand, nine hundred eighty-four".