489441 has 4 divisors (see below), whose sum is σ = 652592. Its totient is φ = 326292.

The previous prime is 489439. The next prime is 489449. The reversal of 489441 is 144984.

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 not a de Polignac number, because 489441 - 2¹ = 489439 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 489399 and 489408.

It is not an unprimeable number, because it can be changed into a prime (489449) 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, 81571 + ... + 81576.

It is an arithmetic number, because the mean of its divisors is an integer number (163148).

2⁴⁸⁹⁴⁴¹ is an apocalyptic number.

It is an amenable number.

489441 is a deficient number, since it is larger than the sum of its proper divisors (163151).

489441 is a wasteful number, since it uses less digits than its factorization.

489441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163150.

The product of its digits is 4608, while the sum is 30.

The square root of 489441 is about 699.6006003428. The cubic root of 489441 is about 78.8073605774.

The spelling of 489441 in words is "four hundred eighty-nine thousand, four hundred forty-one".