489209 has 8 divisors (see below), whose sum is σ = 592128. Its totient is φ = 394560.

The previous prime is 489197. The next prime is 489217. The reversal of 489209 is 902984.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 489209 - 2¹² = 485113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1937 + ... + 2174.

It is an arithmetic number, because the mean of its divisors is an integer number (74016).

2⁴⁸⁹²⁰⁹ is an apocalyptic number.

It is an amenable number.

489209 is a deficient number, since it is larger than the sum of its proper divisors (102919).

489209 is a wasteful number, since it uses less digits than its factorization.

489209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4135.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 489209 is about 699.4347717979. The cubic root of 489209 is about 78.7949067800.

It can be divided in two parts, 489 and 209, that multiplied together give a palindrome (102201).

The spelling of 489209 in words is "four hundred eighty-nine thousand, two hundred nine".