4431444 has 24 divisors (see below), whose sum is σ = 10593408. Its totient is φ = 1440960.

The previous prime is 4431443. The next prime is 4431457. The reversal of 4431444 is 4441344.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4431443) 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, 4012 + ... + 4995.

It is an arithmetic number, because the mean of its divisors is an integer number (441392).

Almost surely, 2^4431444 is an apocalyptic number.

It is an amenable number.

4431444 is an abundant number, since it is smaller than the sum of its proper divisors (6161964).

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

4431444 is a wasteful number, since it uses less digits than its factorization.

4431444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9055 (or 9053 counting only the distinct ones).

The product of its digits is 3072, while the sum is 24.

The square root of 4431444 is about 2105.0995225879. The cubic root of 4431444 is about 164.2536724620.

Adding to 4431444 its reverse (4441344), we get a palindrome (8872788).

The spelling of 4431444 in words is "four million, four hundred thirty-one thousand, four hundred forty-four".