3856172 has 12 divisors (see below), whose sum is σ = 6769896. Its totient is φ = 1921920.

The previous prime is 3856147. The next prime is 3856187. The reversal of 3856172 is 2716583.

It is a happy number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 47 + ... + 2777.

It is an arithmetic number, because the mean of its divisors is an integer number (564158).

Almost surely, 2^3856172 is an apocalyptic number.

It is an amenable number.

3856172 is a deficient number, since it is larger than the sum of its proper divisors (2913724).

3856172 is a wasteful number, since it uses less digits than its factorization.

3856172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3088 (or 3086 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 3856172 is about 1963.7138284383. The cubic root of 3856172 is about 156.8142284569.

The spelling of 3856172 in words is "three million, eight hundred fifty-six thousand, one hundred seventy-two".