4440805 has 4 divisors (see below), whose sum is σ = 5328972. Its totient is φ = 3552640.

The previous prime is 4440803. The next prime is 4440823. The reversal of 4440805 is 5080444.

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 591361 + 3849444 = 769^2 + 1962^2 .

It is not a de Polignac number, because 4440805 - 2¹ = 4440803 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4440805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444076 + ... + 444085.

It is an arithmetic number, because the mean of its divisors is an integer number (1332243).

Almost surely, 2^4440805 is an apocalyptic number.

It is an amenable number.

4440805 is a deficient number, since it is larger than the sum of its proper divisors (888167).

4440805 is an equidigital number, since it uses as much as digits as its factorization.

4440805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888166.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 4440805 is about 2107.3217599598. The cubic root of 4440805 is about 164.3692478241.

The spelling of 4440805 in words is "four million, four hundred forty thousand, eight hundred five".