3871456 has 24 divisors (see below), whose sum is σ = 7665840. Its totient is φ = 1924608.

The previous prime is 3871447. The next prime is 3871481. The reversal of 3871456 is 6541783.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10605 + ... + 10963.

It is an arithmetic number, because the mean of its divisors is an integer number (319410).

Almost surely, 2^3871456 is an apocalyptic number.

It is an amenable number.

3871456 is a deficient number, since it is larger than the sum of its proper divisors (3794384).

3871456 is a wasteful number, since it uses less digits than its factorization.

3871456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706 (or 698 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 3871456 is about 1967.6015856875. The cubic root of 3871456 is about 157.0211339151.

The spelling of 3871456 in words is "three million, eight hundred seventy-one thousand, four hundred fifty-six".