3655984 has 20 divisors (see below), whose sum is σ = 7171416. Its totient is φ = 1805312.

The previous prime is 3655957. The next prime is 3655987. The reversal of 3655984 is 4895563.

3655984 is nontrivially palindromic in base 15.

3655984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3655987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49 + ... + 2704.

Almost surely, 2^3655984 is an apocalyptic number.

It is an amenable number.

3655984 is a deficient number, since it is larger than the sum of its proper divisors (3515432).

3655984 is a wasteful number, since it uses less digits than its factorization.

3655984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2844 (or 2838 counting only the distinct ones).

The product of its digits is 129600, while the sum is 40.

The square root of 3655984 is about 1912.0627604762. The cubic root of 3655984 is about 154.0522676353.

The spelling of 3655984 in words is "three million, six hundred fifty-five thousand, nine hundred eighty-four".