3681718 has 16 divisors (see below), whose sum is σ = 5760720. Its totient is φ = 1763200.

The previous prime is 3681709. The next prime is 3681719. The reversal of 3681718 is 8171863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3681719) 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, 4458 + ... + 5218.

It is an arithmetic number, because the mean of its divisors is an integer number (360045).

Almost surely, 2^3681718 is an apocalyptic number.

3681718 is a deficient number, since it is larger than the sum of its proper divisors (2079002).

3681718 is a wasteful number, since it uses less digits than its factorization.

3681718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863.

The product of its digits is 8064, while the sum is 34.

The square root of 3681718 is about 1918.7803417796. The cubic root of 3681718 is about 154.4128742162.

The spelling of 3681718 in words is "three million, six hundred eighty-one thousand, seven hundred eighteen".