4404005 has 4 divisors (see below), whose sum is σ = 5284812. Its totient is φ = 3523200.

The previous prime is 4403989. The next prime is 4404019. The reversal of 4404005 is 5004044.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1684804 + 2719201 = 1298^2 + 1649^2 .

It is not a de Polignac number, because 4404005 - 2⁴ = 4403989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440396 + ... + 440405.

It is an arithmetic number, because the mean of its divisors is an integer number (1321203).

Almost surely, 2^4404005 is an apocalyptic number.

It is an amenable number.

4404005 is a deficient number, since it is larger than the sum of its proper divisors (880807).

4404005 is an equidigital number, since it uses as much as digits as its factorization.

4404005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880806.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 4404005 is about 2098.5721336185. The cubic root of 4404005 is about 163.9139569473.

Adding to 4404005 its reverse (5004044), we get a palindrome (9408049).

The spelling of 4404005 in words is "four million, four hundred four thousand, five".