1444424 has 16 divisors (see below), whose sum is σ = 2747520. Its totient is φ = 711760.

The previous prime is 1444411. The next prime is 1444441. The reversal of 1444424 is 4244441.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1444424.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 704 + ... + 1839.

It is an arithmetic number, because the mean of its divisors is an integer number (171720).

2^1444424 is an apocalyptic number.

It is an amenable number.

1444424 is a deficient number, since it is larger than the sum of its proper divisors (1303096).

1444424 is a wasteful number, since it uses less digits than its factorization.

1444424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2620 (or 2616 counting only the distinct ones).

The product of its digits is 2048, while the sum is 23.

The square root of 1444424 is about 1201.8419197216. The cubic root of 1444424 is about 113.0398481126.

Adding to 1444424 its reverse (4244441), we get a palindrome (5688865).

The spelling of 1444424 in words is "one million, four hundred forty-four thousand, four hundred twenty-four".