3687726 has 16 divisors (see below), whose sum is σ = 8429184. Its totient is φ = 1053624.

The previous prime is 3687713. The next prime is 3687731. The reversal of 3687726 is 6277863.

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, 43860 + ... + 43943.

It is an arithmetic number, because the mean of its divisors is an integer number (526824).

Almost surely, 2^3687726 is an apocalyptic number.

3687726 is an abundant number, since it is smaller than the sum of its proper divisors (4741458).

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

3687726 is a wasteful number, since it uses less digits than its factorization.

3687726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87815.

The product of its digits is 84672, while the sum is 39.

The square root of 3687726 is about 1920.3452814533. The cubic root of 3687726 is about 154.4968212917.

It can be divided in two parts, 3687 and 726, that multiplied together give a palindrome (2676762).

The spelling of 3687726 in words is "three million, six hundred eighty-seven thousand, seven hundred twenty-six".