3685726 has 32 divisors (see below), whose sum is σ = 6415200. Its totient is φ = 1572480.

The previous prime is 3685699. The next prime is 3685729. The reversal of 3685726 is 6275863.

It is a super-2 number, since 2×3685726² = 27169152294152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3685729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33760 + ... + 33868.

It is an arithmetic number, because the mean of its divisors is an integer number (200475).

Almost surely, 2^3685726 is an apocalyptic number.

3685726 is a deficient number, since it is larger than the sum of its proper divisors (2729474).

3685726 is a wasteful number, since it uses less digits than its factorization.

3685726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204.

The product of its digits is 60480, while the sum is 37.

The square root of 3685726 is about 1919.8244711431. The cubic root of 3685726 is about 154.4688863241.

The spelling of 3685726 in words is "three million, six hundred eighty-five thousand, seven hundred twenty-six".