4424445 has 12 divisors (see below), whose sum is σ = 7669116. Its totient is φ = 2359680.

The previous prime is 4424429. The next prime is 4424447. The reversal of 4424445 is 5444244.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3048516 + 1375929 = 1746^2 + 1173^2 .

It is not a de Polignac number, because 4424445 - 2⁴ = 4424429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4424447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49116 + ... + 49205.

It is an arithmetic number, because the mean of its divisors is an integer number (639093).

Almost surely, 2^4424445 is an apocalyptic number.

4424445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4424445 is a deficient number, since it is larger than the sum of its proper divisors (3244671).

4424445 is a wasteful number, since it uses less digits than its factorization.

4424445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98332 (or 98329 counting only the distinct ones).

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

The square root of 4424445 is about 2103.4364739635. The cubic root of 4424445 is about 164.1671530931.

Adding to 4424445 its reverse (5444244), we get a palindrome (9868689).

The spelling of 4424445 in words is "four million, four hundred twenty-four thousand, four hundred forty-five".