3686679 has 24 divisors (see below), whose sum is σ = 5564832. Its totient is φ = 2350080.

The previous prime is 3686677. The next prime is 3686701. The reversal of 3686679 is 9766863.

It is not a de Polignac number, because 3686679 - 2¹ = 3686677 is a prime.

3686679 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3686677) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35742 + ... + 35844.

It is an arithmetic number, because the mean of its divisors is an integer number (231868).

Almost surely, 2^3686679 is an apocalyptic number.

3686679 is a deficient number, since it is larger than the sum of its proper divisors (1878153).

3686679 is a wasteful number, since it uses less digits than its factorization.

3686679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 244 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 3686679 is about 1920.0726548753. The cubic root of 3686679 is about 154.4821985963.

The spelling of 3686679 in words is "three million, six hundred eighty-six thousand, six hundred seventy-nine".