4423505 has 8 divisors (see below), whose sum is σ = 5332392. Its totient is φ = 3522688.

The previous prime is 4423493. The next prime is 4423511. The reversal of 4423505 is 5053244.

It can be written as a sum of positive squares in 4 ways, for example, as 130321 + 4293184 = 361^2 + 2072^2 .

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 4423505 - 2⁸ = 4423249 is a prime.

It is an Ulam number.

It is a Duffinian 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, 734 + ... + 3063.

It is an arithmetic number, because the mean of its divisors is an integer number (666549).

Almost surely, 2^4423505 is an apocalyptic number.

It is an amenable number.

4423505 is a deficient number, since it is larger than the sum of its proper divisors (908887).

4423505 is a wasteful number, since it uses less digits than its factorization.

4423505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4035.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 4423505 is about 2103.2130182176. The cubic root of 4423505 is about 164.1555261693.

Adding to 4423505 its reverse (5053244), we get a palindrome (9476749).

The spelling of 4423505 in words is "four million, four hundred twenty-three thousand, five hundred five".