3904856 has 16 divisors (see below), whose sum is σ = 7446600. Its totient is φ = 1919104.

The previous prime is 3904829. The next prime is 3904877. The reversal of 3904856 is 6584093.

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, 3665 + ... + 4608.

Almost surely, 2^3904856 is an apocalyptic number.

It is an amenable number.

3904856 is a deficient number, since it is larger than the sum of its proper divisors (3541744).

3904856 is a wasteful number, since it uses less digits than its factorization.

3904856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8338 (or 8334 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 3904856 is about 1976.0708489323. The cubic root of 3904856 is about 157.4713948218.

The spelling of 3904856 in words is "three million, nine hundred four thousand, eight hundred fifty-six".