3943422 has 72 divisors (see below), whose sum is σ = 10563696. Its totient is φ = 1056384.

The previous prime is 3943409. The next prime is 3943427. The reversal of 3943422 is 2243493.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3943427) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14863 + ... + 15125.

It is an arithmetic number, because the mean of its divisors is an integer number (146718).

Almost surely, 2^3943422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3943422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5281848).

3943422 is an abundant number, since it is smaller than the sum of its proper divisors (6620274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3943422 is a wasteful number, since it uses less digits than its factorization.

3943422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 292 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 3943422 is about 1985.8051263908. The cubic root of 3943422 is about 157.9881153268.

The spelling of 3943422 in words is "three million, nine hundred forty-three thousand, four hundred twenty-two".