3699726 has 16 divisors (see below), whose sum is σ = 7638528. Its totient is φ = 1193400.

The previous prime is 3699721. The next prime is 3699743. The reversal of 3699726 is 6279963.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3699721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9760 + ... + 10131.

It is an arithmetic number, because the mean of its divisors is an integer number (477408).

Almost surely, 2^3699726 is an apocalyptic number.

3699726 is an abundant number, since it is smaller than the sum of its proper divisors (3938802).

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

3699726 is a wasteful number, since it uses less digits than its factorization.

3699726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19927.

The product of its digits is 122472, while the sum is 42.

The square root of 3699726 is about 1923.4671819399. The cubic root of 3699726 is about 154.6642193512.

The spelling of 3699726 in words is "three million, six hundred ninety-nine thousand, seven hundred twenty-six".