441709 has 4 divisors (see below), whose sum is σ = 443104. Its totient is φ = 440316.

The previous prime is 441703. The next prime is 441713. The reversal of 441709 is 907144.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 441709 - 2¹¹ = 439661 is a prime.

It is a Duffinian number.

441709 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441703) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 34 + ... + 940.

It is an arithmetic number, because the mean of its divisors is an integer number (110776).

2⁴⁴¹⁷⁰⁹ is an apocalyptic number.

It is an amenable number.

441709 is a deficient number, since it is larger than the sum of its proper divisors (1395).

441709 is an equidigital number, since it uses as much as digits as its factorization.

441709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 441709 is about 664.6119168357. The cubic root of 441709 is about 76.1573954169.

The spelling of 441709 in words is "four hundred forty-one thousand, seven hundred nine".