489884439 has 16 divisors (see below), whose sum is σ = 712967040. Its totient is φ = 296729760.

The previous prime is 489884389. The next prime is 489884449. The reversal of 489884439 is 934488984.

It is not a de Polignac number, because 489884439 - 2⁸ = 489884183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489884449) 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, 78129 + ... + 84165.

It is an arithmetic number, because the mean of its divisors is an integer number (44560440).

Almost surely, 2^489884439 is an apocalyptic number.

489884439 is a deficient number, since it is larger than the sum of its proper divisors (223082601).

489884439 is a wasteful number, since it uses less digits than its factorization.

489884439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8510.

The product of its digits is 7962624, while the sum is 57.

The square root of 489884439 is about 22133.3332103414. Note that the first 3 decimals coincide. The cubic root of 489884439 is about 788.3115350895.

The spelling of 489884439 in words is "four hundred eighty-nine million, eight hundred eighty-four thousand, four hundred thirty-nine".