4452444 has 36 divisors (see below), whose sum is σ = 11318944. Its totient is φ = 1475712.

The previous prime is 4452443. The next prime is 4452449. The reversal of 4452444 is 4442544.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4452443) 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 11 ways as a sum of consecutive naturals, for example, 11949 + ... + 12315.

Almost surely, 2^4452444 is an apocalyptic number.

It is an amenable number.

4452444 is an abundant number, since it is smaller than the sum of its proper divisors (6866500).

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

4452444 is a wasteful number, since it uses less digits than its factorization.

4452444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714 (or 709 counting only the distinct ones).

The product of its digits is 10240, while the sum is 27.

The square root of 4452444 is about 2110.0815150131. The cubic root of 4452444 is about 164.5127221678.

Adding to 4452444 its reverse (4442544), we get a palindrome (8894988).

The spelling of 4452444 in words is "four million, four hundred fifty-two thousand, four hundred forty-four".