489839 has 16 divisors (see below), whose sum is σ = 614400. Its totient is φ = 381024.

The previous prime is 489833. The next prime is 489847. The reversal of 489839 is 938984.

It is not a de Polignac number, because 489839 - 2⁴ = 489823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 489796 and 489805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3794 + ... + 3920.

It is an arithmetic number, because the mean of its divisors is an integer number (38400).

2⁴⁸⁹⁸³⁹ is an apocalyptic number.

489839 is a deficient number, since it is larger than the sum of its proper divisors (124561).

489839 is a wasteful number, since it uses less digits than its factorization.

489839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182.

The product of its digits is 62208, while the sum is 41.

The square root of 489839 is about 699.8849905520. The cubic root of 489839 is about 78.8287161181.

The spelling of 489839 in words is "four hundred eighty-nine thousand, eight hundred thirty-nine".