3938444 has 6 divisors (see below), whose sum is σ = 6892284. Its totient is φ = 1969220.

The previous prime is 3938437. The next prime is 3938447. The reversal of 3938444 is 4448393.

It is a super-2 number, since 2×3938444² = 31022682282272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3938447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492302 + ... + 492309.

It is an arithmetic number, because the mean of its divisors is an integer number (1148714).

Almost surely, 2^3938444 is an apocalyptic number.

It is an amenable number.

3938444 is a deficient number, since it is larger than the sum of its proper divisors (2953840).

3938444 is a wasteful number, since it uses less digits than its factorization.

3938444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984615 (or 984613 counting only the distinct ones).

The product of its digits is 41472, while the sum is 35.

The square root of 3938444 is about 1984.5513346850. The cubic root of 3938444 is about 157.9216082843.

It can be divided in two parts, 39 and 38444, that added together give a palindrome (38483).

The spelling of 3938444 in words is "three million, nine hundred thirty-eight thousand, four hundred forty-four".