3871256 has 8 divisors (see below), whose sum is σ = 7258620. Its totient is φ = 1935624.

The previous prime is 3871211. The next prime is 3871271. The reversal of 3871256 is 6521783.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 241946 + ... + 241961.

Almost surely, 2^3871256 is an apocalyptic number.

It is an amenable number.

3871256 is a deficient number, since it is larger than the sum of its proper divisors (3387364).

3871256 is a wasteful number, since it uses less digits than its factorization.

3871256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483913 (or 483909 counting only the distinct ones).

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

The square root of 3871256 is about 1967.5507617340. The cubic root of 3871256 is about 157.0184299568.

The spelling of 3871256 in words is "three million, eight hundred seventy-one thousand, two hundred fifty-six".