3686744 has 8 divisors (see below), whose sum is σ = 6912660. Its totient is φ = 1843368.

The previous prime is 3686743. The next prime is 3686747. The reversal of 3686744 is 4476863.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3686698 and 3686707.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 230414 + ... + 230429.

Almost surely, 2^3686744 is an apocalyptic number.

It is an amenable number.

3686744 is a deficient number, since it is larger than the sum of its proper divisors (3225916).

3686744 is a wasteful number, since it uses less digits than its factorization.

3686744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460849 (or 460845 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The square root of 3686744 is about 1920.0895812435. The cubic root of 3686744 is about 154.4831064851.

The spelling of 3686744 in words is "three million, six hundred eighty-six thousand, seven hundred forty-four".