3941878 has 16 divisors (see below), whose sum is σ = 6266880. Its totient is φ = 1855656.

The previous prime is 3941837. The next prime is 3941887. The reversal of 3941878 is 8781493.

It is a self number, because there is not a number n which added to its sum of digits gives 3941878.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2443 + ... + 3721.

It is an arithmetic number, because the mean of its divisors is an integer number (391680).

Almost surely, 2^3941878 is an apocalyptic number.

3941878 is a deficient number, since it is larger than the sum of its proper divisors (2325002).

3941878 is a wasteful number, since it uses less digits than its factorization.

3941878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371.

The product of its digits is 48384, while the sum is 40.

The square root of 3941878 is about 1985.4163291360. The cubic root of 3941878 is about 157.9674931790.

The spelling of 3941878 in words is "three million, nine hundred forty-one thousand, eight hundred seventy-eight".