3956685 has 32 divisors (see below), whose sum is σ = 6684672. Its totient is φ = 1995840.

The previous prime is 3956681. The next prime is 3956737. The reversal of 3956685 is 5866593.

It is not a de Polignac number, because 3956685 - 2² = 3956681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3956681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31092 + ... + 31218.

It is an arithmetic number, because the mean of its divisors is an integer number (208896).

Almost surely, 2^3956685 is an apocalyptic number.

It is an amenable number.

3956685 is a deficient number, since it is larger than the sum of its proper divisors (2727987).

3956685 is a wasteful number, since it uses less digits than its factorization.

3956685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233.

The product of its digits is 194400, while the sum is 42.

The square root of 3956685 is about 1989.1417747360. The cubic root of 3956685 is about 158.1650387863.

The spelling of 3956685 in words is "three million, nine hundred fifty-six thousand, six hundred eighty-five".