489443 has 4 divisors (see below), whose sum is σ = 491568. Its totient is φ = 487320.

The previous prime is 489439. The next prime is 489449. The reversal of 489443 is 344984.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 489443 - 2² = 489439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489449) 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, 668 + ... + 1193.

It is an arithmetic number, because the mean of its divisors is an integer number (122892).

2⁴⁸⁹⁴⁴³ is an apocalyptic number.

489443 is a deficient number, since it is larger than the sum of its proper divisors (2125).

489443 is a wasteful number, since it uses less digits than its factorization.

489443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124.

The product of its digits is 13824, while the sum is 32.

The square root of 489443 is about 699.6020297283. The cubic root of 489443 is about 78.8074679206.

The spelling of 489443 in words is "four hundred eighty-nine thousand, four hundred forty-three".