4404605 has 8 divisors (see below), whose sum is σ = 5398272. Its totient is φ = 3448528.

The previous prime is 4404593. The next prime is 4404623. The reversal of 4404605 is 5064044.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4404605 is a prime.

It is an Ulam number.

It is a Duffinian number.

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, 9137 + ... + 9606.

It is an arithmetic number, because the mean of its divisors is an integer number (674784).

Almost surely, 2^4404605 is an apocalyptic number.

It is an amenable number.

4404605 is a deficient number, since it is larger than the sum of its proper divisors (993667).

4404605 is a wasteful number, since it uses less digits than its factorization.

4404605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18795.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 4404605 is about 2098.7150830925. The cubic root of 4404605 is about 163.9214004680.

Adding to 4404605 its reverse (5064044), we get a palindrome (9468649).

The spelling of 4404605 in words is "four million, four hundred four thousand, six hundred five".