3929846 has 12 divisors (see below), whose sum is σ = 6222492. Its totient is φ = 1861164.

The previous prime is 3929843. The next prime is 3929857. The reversal of 3929846 is 6489293.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3929843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2000 + ... + 3443.

It is an arithmetic number, because the mean of its divisors is an integer number (518541).

Almost surely, 2^3929846 is an apocalyptic number.

3929846 is a deficient number, since it is larger than the sum of its proper divisors (2292646).

3929846 is a wasteful number, since it uses less digits than its factorization.

3929846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5483 (or 5464 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 3929846 is about 1982.3839184174. The cubic root of 3929846 is about 157.8066052303.

The spelling of 3929846 in words is "three million, nine hundred twenty-nine thousand, eight hundred forty-six".