3686142 has 16 divisors (see below), whose sum is σ = 7402752. Its totient is φ = 1223640.

The previous prime is 3686131. The next prime is 3686153. The reversal of 3686142 is 2416863.

It is an interprime number because it is at equal distance from previous prime (3686131) and next prime (3686153).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493 + ... + 2759.

It is an arithmetic number, because the mean of its divisors is an integer number (462672).

Almost surely, 2^3686142 is an apocalyptic number.

3686142 is an abundant number, since it is smaller than the sum of its proper divisors (3716610).

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

3686142 is a wasteful number, since it uses less digits than its factorization.

3686142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543.

The product of its digits is 6912, while the sum is 30.

The square root of 3686142 is about 1919.9328113244. The cubic root of 3686142 is about 154.4746976296.

It can be divided in two parts, 3686 and 142, that added together give a triangular number (3828 = T₈₇).

The spelling of 3686142 in words is "three million, six hundred eighty-six thousand, one hundred forty-two".