3671866 has 12 divisors (see below), whose sum is σ = 6054426. Its totient is φ = 1668920.

The previous prime is 3671861. The next prime is 3671869. The reversal of 3671866 is 6681763.

It can be written as a sum of positive squares in only one way, i.e., 2337841 + 1334025 = 1529^2 + 1155^2 .

It is not an unprimeable number, because it can be changed into a prime (3671861) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7345 + ... + 7828.

Almost surely, 2^3671866 is an apocalyptic number.

3671866 is a deficient number, since it is larger than the sum of its proper divisors (2382560).

3671866 is a wasteful number, since it uses less digits than its factorization.

3671866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15197 (or 15186 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 3671866 is about 1916.2113662120. The cubic root of 3671866 is about 154.2750187732.

The spelling of 3671866 in words is "three million, six hundred seventy-one thousand, eight hundred sixty-six".