424444 has 12 divisors (see below), whose sum is σ = 768600. Its totient is φ = 204848.

The previous prime is 424433. The next prime is 424451. The reversal of 424444 is 444424.

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

424444 is a modest number, since divided by 444 gives 424 as remainder.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

424444 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1714 + ... + 1945.

It is an arithmetic number, because the mean of its divisors is an integer number (64050).

2⁴²⁴⁴⁴⁴ is an apocalyptic number.

It is an amenable number.

424444 is a deficient number, since it is larger than the sum of its proper divisors (344156).

424444 is a wasteful number, since it uses less digits than its factorization.

424444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3692 (or 3690 counting only the distinct ones).

The product of its digits is 2048, while the sum is 22.

The square root of 424444 is about 651.4936684266. The cubic root of 424444 is about 75.1519290634.

Adding to 424444 its reverse (444424), we get a palindrome (868868).

It can be divided in two parts, 424 and 444, that added together give a palindrome (868).

The spelling of 424444 in words is "four hundred twenty-four thousand, four hundred forty-four", and thus it is an iban number.