4430665 has 8 divisors (see below), whose sum is σ = 5446728. Its totient is φ = 3457920.

The previous prime is 4430663. The next prime is 4430689. The reversal of 4430665 is 5660344.

It can be written as a sum of positive squares in 4 ways, for example, as 732736 + 3697929 = 856^2 + 1923^2 .

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

It is not a de Polignac number, because 4430665 - 2¹ = 4430663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4430663) 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 7 ways as a sum of consecutive naturals, for example, 10602 + ... + 11011.

It is an arithmetic number, because the mean of its divisors is an integer number (680841).

Almost surely, 2^4430665 is an apocalyptic number.

It is an amenable number.

4430665 is a deficient number, since it is larger than the sum of its proper divisors (1016063).

4430665 is a wasteful number, since it uses less digits than its factorization.

4430665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21659.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 4430665 is about 2104.9144875743. The cubic root of 4430665 is about 164.2440472240.

The spelling of 4430665 in words is "four million, four hundred thirty thousand, six hundred sixty-five".