3946856 has 16 divisors (see below), whose sum is σ = 7835940. Its totient is φ = 1857280.

The previous prime is 3946853. The next prime is 3946879. The reversal of 3946856 is 6586493.

3946856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3118756 + 828100 = 1766^2 + 910^2 .

It is not an unprimeable number, because it can be changed into a prime (3946853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14375 + ... + 14646.

Almost surely, 2^3946856 is an apocalyptic number.

It is an amenable number.

3946856 is a deficient number, since it is larger than the sum of its proper divisors (3889084).

3946856 is a wasteful number, since it uses less digits than its factorization.

3946856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29044 (or 29040 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

The square root of 3946856 is about 1986.6695749419. The cubic root of 3946856 is about 158.0339616148.

The spelling of 3946856 in words is "three million, nine hundred forty-six thousand, eight hundred fifty-six".