3944343 has 16 divisors (see below), whose sum is σ = 5962880. Its totient is φ = 2299104.

The previous prime is 3944329. The next prime is 3944351. The reversal of 3944343 is 3434493.

It is not a de Polignac number, because 3944343 - 2¹⁰ = 3943319 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3944343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3924343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1921 + ... + 3402.

It is an arithmetic number, because the mean of its divisors is an integer number (372680).

Almost surely, 2^3944343 is an apocalyptic number.

3944343 is a deficient number, since it is larger than the sum of its proper divisors (2018537).

3944343 is a wasteful number, since it uses less digits than its factorization.

3944343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5358.

The product of its digits is 15552, while the sum is 30.

The square root of 3944343 is about 1986.0370087186. The cubic root of 3944343 is about 158.0004139283. Note that the first 3 decimals are identical.

The spelling of 3944343 in words is "three million, nine hundred forty-four thousand, three hundred forty-three".