3686746 has 16 divisors (see below), whose sum is σ = 6410880. Its totient is φ = 1557360.

The previous prime is 3686743. The next prime is 3686747. The reversal of 3686746 is 6476863.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3686699 and 3686708.

It is not an unprimeable number, because it can be changed into a prime (3686743) 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, 861 + ... + 2848.

It is an arithmetic number, because the mean of its divisors is an integer number (400680).

Almost surely, 2^3686746 is an apocalyptic number.

3686746 is a deficient number, since it is larger than the sum of its proper divisors (2724134).

3686746 is a wasteful number, since it uses less digits than its factorization.

3686746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3789.

The product of its digits is 145152, while the sum is 40.

The square root of 3686746 is about 1920.0901020525. The cubic root of 3686746 is about 154.4831344199.

The spelling of 3686746 in words is "three million, six hundred eighty-six thousand, seven hundred forty-six".