3681766 has 16 divisors (see below), whose sum is σ = 6082128. Its totient is φ = 1657600.

The previous prime is 3681761. The next prime is 3681767. The reversal of 3681766 is 6671863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3681761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1746 + ... + 3226.

It is an arithmetic number, because the mean of its divisors is an integer number (380133).

Almost surely, 2^3681766 is an apocalyptic number.

3681766 is a deficient number, since it is larger than the sum of its proper divisors (2400362).

3681766 is a wasteful number, since it uses less digits than its factorization.

3681766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607.

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

The square root of 3681766 is about 1918.7928496844. The cubic root of 3681766 is about 154.4135452603.

The spelling of 3681766 in words is "three million, six hundred eighty-one thousand, seven hundred sixty-six".