4381444 has 12 divisors (see below), whose sum is σ = 8118684. Its totient is φ = 2061824.

The previous prime is 4381441. The next prime is 4381453. The reversal of 4381444 is 4441834.

It can be written as a sum of positive squares in 2 ways, for example, as 2722500 + 1658944 = 1650^2 + 1288^2 .

It is not an unprimeable number, because it can be changed into a prime (4381441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32149 + ... + 32284.

It is an arithmetic number, because the mean of its divisors is an integer number (676557).

Almost surely, 2^4381444 is an apocalyptic number.

It is an amenable number.

4381444 is a deficient number, since it is larger than the sum of its proper divisors (3737240).

4381444 is a wasteful number, since it uses less digits than its factorization.

4381444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64454 (or 64452 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

The square root of 4381444 is about 2093.1899101610. The cubic root of 4381444 is about 163.6335761216.

The spelling of 4381444 in words is "four million, three hundred eighty-one thousand, four hundred forty-four".