4444424 has 16 divisors (see below), whose sum is σ = 8621100. Its totient is φ = 2145472.

The previous prime is 4444409. The next prime is 4444469. The reversal of 4444424 is 4244444.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4072324 + 372100 = 2018^2 + 610^2 .

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4444393 and 4444402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9347 + ... + 9810.

Almost surely, 2^4444424 is an apocalyptic number.

It is an amenable number.

4444424 is a deficient number, since it is larger than the sum of its proper divisors (4176676).

4444424 is a wasteful number, since it uses less digits than its factorization.

4444424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19192 (or 19188 counting only the distinct ones).

The product of its digits is 8192, while the sum is 26.

The square root of 4444424 is about 2108.1802579476. The cubic root of 4444424 is about 164.4138861866.

Adding to 4444424 its reverse (4244444), we get a palindrome (8688868).

The spelling of 4444424 in words is "four million, four hundred forty-four thousand, four hundred twenty-four".