3981422 has 16 divisors (see below), whose sum is σ = 6188832. Its totient is φ = 1919520.

The previous prime is 3981421. The next prime is 3981449. The reversal of 3981422 is 2241893.

3981422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3981422² = 31703442284168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3981421) 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 7 ways as a sum of consecutive naturals, for example, 12647 + ... + 12957.

It is an arithmetic number, because the mean of its divisors is an integer number (386802).

Almost surely, 2^3981422 is an apocalyptic number.

3981422 is a deficient number, since it is larger than the sum of its proper divisors (2207410).

3981422 is a wasteful number, since it uses less digits than its factorization.

3981422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523.

The product of its digits is 3456, while the sum is 29.

The square root of 3981422 is about 1995.3500945949. The cubic root of 3981422 is about 158.4939676011.

The spelling of 3981422 in words is "three million, nine hundred eighty-one thousand, four hundred twenty-two".