3663844 has 6 divisors (see below), whose sum is σ = 6411734. Its totient is φ = 1831920.

The previous prime is 3663833. The next prime is 3663887. The reversal of 3663844 is 4483663.

It can be written as a sum of positive squares in only one way, i.e., 3655744 + 8100 = 1912^2 + 90^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 457977 + ... + 457984.

Almost surely, 2^3663844 is an apocalyptic number.

It is an amenable number.

3663844 is a deficient number, since it is larger than the sum of its proper divisors (2747890).

3663844 is a wasteful number, since it uses less digits than its factorization.

3663844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915965 (or 915963 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

The square root of 3663844 is about 1914.1170288151. The cubic root of 3663844 is about 154.1625876041.

The spelling of 3663844 in words is "three million, six hundred sixty-three thousand, eight hundred forty-four".