3664726 has 16 divisors (see below), whose sum is σ = 6022800. Its totient is φ = 1662048.

The previous prime is 3664723. The next prime is 3664747. The reversal of 3664726 is 6274663.

It is a junction number, because it is equal to n+sod(n) for n = 3664691 and 3664700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3664721) 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, 340 + ... + 2728.

It is an arithmetic number, because the mean of its divisors is an integer number (376425).

Almost surely, 2^3664726 is an apocalyptic number.

3664726 is a deficient number, since it is larger than the sum of its proper divisors (2358074).

3664726 is a wasteful number, since it uses less digits than its factorization.

3664726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2463.

The product of its digits is 36288, while the sum is 34.

The square root of 3664726 is about 1914.3474083875. The cubic root of 3664726 is about 154.1749571712.

The spelling of 3664726 in words is "three million, six hundred sixty-four thousand, seven hundred twenty-six".