4441609 has 4 divisors (see below), whose sum is σ = 4449280. Its totient is φ = 4433940.

The previous prime is 4441601. The next prime is 4441621. The reversal of 4441609 is 9061444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4441609 - 2³ = 4441601 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4441601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2889 + ... + 4150.

It is an arithmetic number, because the mean of its divisors is an integer number (1112320).

Almost surely, 2^4441609 is an apocalyptic number.

It is an amenable number.

4441609 is a deficient number, since it is larger than the sum of its proper divisors (7671).

4441609 is an equidigital number, since it uses as much as digits as its factorization.

4441609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7670.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 4441609 is about 2107.5125147908. The cubic root of 4441609 is about 164.3791668140.

It can be divided in two parts, 4441 and 609, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 4441609 in words is "four million, four hundred forty-one thousand, six hundred nine".