3879856 has 10 divisors (see below), whose sum is σ = 7517252. Its totient is φ = 1939920.

The previous prime is 3879853. The next prime is 3879913. The reversal of 3879856 is 6589783.

It is not an unprimeable number, because it can be changed into a prime (3879851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121230 + ... + 121261.

Almost surely, 2^3879856 is an apocalyptic number.

It is an amenable number.

3879856 is a deficient number, since it is larger than the sum of its proper divisors (3637396).

3879856 is a wasteful number, since it uses less digits than its factorization.

3879856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242499 (or 242493 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The square root of 3879856 is about 1969.7350075581. The cubic root of 3879856 is about 157.1346161755.

The spelling of 3879856 in words is "three million, eight hundred seventy-nine thousand, eight hundred fifty-six".