3873856 has 28 divisors (see below), whose sum is σ = 8786368. Its totient is φ = 1660032.

The previous prime is 3873847. The next prime is 3873871. The reversal of 3873856 is 6583783.

It is a tau number, because it is divible by the number of its divisors (28).

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, 3876 + ... + 4771.

Almost surely, 2^3873856 is an apocalyptic number.

It is an amenable number.

3873856 is an abundant number, since it is smaller than the sum of its proper divisors (4912512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3873856 is an equidigital number, since it uses as much as digits as its factorization.

3873856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8666 (or 8656 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 3873856 is about 1968.2113707628. The cubic root of 3873856 is about 157.0535741543.

The spelling of 3873856 in words is "three million, eight hundred seventy-three thousand, eight hundred fifty-six".