3944229 has 8 divisors (see below), whose sum is σ = 5535840. Its totient is φ = 2491056.

The previous prime is 3944219. The next prime is 3944231. The reversal of 3944229 is 9224493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3944229 - 2⁹ = 3943717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3944229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3944219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34542 + ... + 34655.

It is an arithmetic number, because the mean of its divisors is an integer number (691980).

Almost surely, 2^3944229 is an apocalyptic number.

It is an amenable number.

3944229 is a deficient number, since it is larger than the sum of its proper divisors (1591611).

3944229 is a wasteful number, since it uses less digits than its factorization.

3944229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69219.

The product of its digits is 15552, while the sum is 33.

The square root of 3944229 is about 1986.0083081397. The cubic root of 3944229 is about 157.9988917297.

Subtracting from 3944229 its sum of digits (33), we obtain a square (3944196 = 1986²).

The spelling of 3944229 in words is "three million, nine hundred forty-four thousand, two hundred twenty-nine".