3869657 has 16 divisors (see below), whose sum is σ = 4404480. Its totient is φ = 3369600.

The previous prime is 3869653. The next prime is 3869683. The reversal of 3869657 is 7569683.

It is a cyclic number.

It is not a de Polignac number, because 3869657 - 2² = 3869653 is a prime.

It is a Duffinian number.

3869657 is a Rhonda number in base 15.

Its product of digits (272160) is a multiple of the sum of its prime divisors (224).

It is not an unprimeable number, because it can be changed into a prime (3869653) 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, 48944 + ... + 49022.

It is an arithmetic number, because the mean of its divisors is an integer number (275280).

Almost surely, 2^3869657 is an apocalyptic number.

It is an amenable number.

3869657 is a deficient number, since it is larger than the sum of its proper divisors (534823).

3869657 is a wasteful number, since it uses less digits than its factorization.

3869657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224.

The product of its digits is 272160, while the sum is 44.

The square root of 3869657 is about 1967.1443770095. The cubic root of 3869657 is about 156.9968084601.

The spelling of 3869657 in words is "three million, eight hundred sixty-nine thousand, six hundred fifty-seven".