3683866 has 16 divisors (see below), whose sum is σ = 5916456. Its totient is φ = 1714176.

The previous prime is 3683839. The next prime is 3683879. The reversal of 3683866 is 6683863.

It can be written as a sum of positive squares in 4 ways, for example, as 2653641 + 1030225 = 1629^2 + 1015^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2740 + ... + 3856.

Almost surely, 2^3683866 is an apocalyptic number.

3683866 is a deficient number, since it is larger than the sum of its proper divisors (2232590).

3683866 is a wasteful number, since it uses less digits than its factorization.

3683866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233.

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

The square root of 3683866 is about 1919.3399907260. The cubic root of 3683866 is about 154.4428977335.

The spelling of 3683866 in words is "three million, six hundred eighty-three thousand, eight hundred sixty-six".