3681706 has 16 divisors (see below), whose sum is σ = 6644160. Its totient is φ = 1494720.

The previous prime is 3681697. The next prime is 3681709. The reversal of 3681706 is 6071863.

3681706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3681709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6655 + ... + 7186.

It is an arithmetic number, because the mean of its divisors is an integer number (415260).

Almost surely, 2^3681706 is an apocalyptic number.

3681706 is a deficient number, since it is larger than the sum of its proper divisors (2962454).

3681706 is a wasteful number, since it uses less digits than its factorization.

3681706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13869.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 3681706 is about 1918.7772147907. Note that the first 3 decimals coincide. The cubic root of 3681706 is about 154.4127064543.

The spelling of 3681706 in words is "three million, six hundred eighty-one thousand, seven hundred six".