3653684 has 6 divisors (see below), whose sum is σ = 6393954. Its totient is φ = 1826840.

The previous prime is 3653669. The next prime is 3653687. The reversal of 3653684 is 4863563.

It can be written as a sum of positive squares in only one way, i.e., 2280100 + 1373584 = 1510^2 + 1172^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3653687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456707 + ... + 456714.

It is an arithmetic number, because the mean of its divisors is an integer number (1065659).

Almost surely, 2^3653684 is an apocalyptic number.

It is an amenable number.

3653684 is a deficient number, since it is larger than the sum of its proper divisors (2740270).

3653684 is a wasteful number, since it uses less digits than its factorization.

3653684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913425 (or 913423 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 3653684 is about 1911.4612211604. The cubic root of 3653684 is about 154.0199558105.

The spelling of 3653684 in words is "three million, six hundred fifty-three thousand, six hundred eighty-four".