3869566 has 8 divisors (see below), whose sum is σ = 6056784. Its totient is φ = 1850640.

The previous prime is 3869561. The next prime is 3869573. The reversal of 3869566 is 6659683.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3869561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42015 + ... + 42106.

It is an arithmetic number, because the mean of its divisors is an integer number (757098).

Almost surely, 2^3869566 is an apocalyptic number.

3869566 is a deficient number, since it is larger than the sum of its proper divisors (2187218).

3869566 is a wasteful number, since it uses less digits than its factorization.

3869566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84146.

The product of its digits is 233280, while the sum is 43.

The square root of 3869566 is about 1967.1212468986. The cubic root of 3869566 is about 156.9955777894.

The spelling of 3869566 in words is "three million, eight hundred sixty-nine thousand, five hundred sixty-six".