3715686 has 64 divisors (see below), whose sum is σ = 9139200. Its totient is φ = 1111968.

The previous prime is 3715669. The next prime is 3715687. The reversal of 3715686 is 6865173.

3715686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3715686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3715687) 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 31 ways as a sum of consecutive naturals, for example, 46995 + ... + 47073.

It is an arithmetic number, because the mean of its divisors is an integer number (142800).

Almost surely, 2^3715686 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3715686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4569600).

3715686 is an abundant number, since it is smaller than the sum of its proper divisors (5423514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3715686 is a wasteful number, since it uses less digits than its factorization.

3715686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 164 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 3715686 is about 1927.6114753757. The cubic root of 3715686 is about 154.8862988550.

The spelling of 3715686 in words is "three million, seven hundred fifteen thousand, six hundred eighty-six".