441689 has 4 divisors (see below), whose sum is σ = 447360. Its totient is φ = 436020.

The previous prime is 441667. The next prime is 441697. The reversal of 441689 is 986144.

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 441689 - 2¹⁶ = 376153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441619) 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, 2717 + ... + 2874.

It is an arithmetic number, because the mean of its divisors is an integer number (111840).

2⁴⁴¹⁶⁸⁹ is an apocalyptic number.

It is an amenable number.

441689 is a deficient number, since it is larger than the sum of its proper divisors (5671).

441689 is an equidigital number, since it uses as much as digits as its factorization.

441689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5670.

The product of its digits is 6912, while the sum is 32.

The square root of 441689 is about 664.5968702906. The cubic root of 441689 is about 76.1562459642.

The spelling of 441689 in words is "four hundred forty-one thousand, six hundred eighty-nine".