4423445 has 8 divisors (see below), whose sum is σ = 5716536. Its totient is φ = 3266496.

The previous prime is 4423427. The next prime is 4423481. The reversal of 4423445 is 5443244.

It can be written as a sum of positive squares in 4 ways, for example, as 5041 + 4418404 = 71^2 + 2102^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4423445 - 2⁶ = 4423381 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable 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 7 ways as a sum of consecutive naturals, for example, 33962 + ... + 34091.

It is an arithmetic number, because the mean of its divisors is an integer number (714567).

Almost surely, 2^4423445 is an apocalyptic number.

It is an amenable number.

4423445 is a deficient number, since it is larger than the sum of its proper divisors (1293091).

4423445 is a wasteful number, since it uses less digits than its factorization.

4423445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68071.

The product of its digits is 7680, while the sum is 26.

The square root of 4423445 is about 2103.1987542788. The cubic root of 4423445 is about 164.1547839693.

Adding to 4423445 its reverse (5443244), we get a palindrome (9866689).

The spelling of 4423445 in words is "four million, four hundred twenty-three thousand, four hundred forty-five".