489589839 has 14 divisors (see below), whose sum is σ = 734050056. Its totient is φ = 326392740.

The previous prime is 489589829. The next prime is 489589871. The reversal of 489589839 is 938985984.

489589839 is a `hidden beast` number, since 48 + 9 + 589 + 8 + 3 + 9 = 666.

It is not a de Polignac number, because 489589839 - 2⁴ = 489589823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489589819) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 335067 + ... + 336524.

Almost surely, 2^489589839 is an apocalyptic number.

489589839 is a deficient number, since it is larger than the sum of its proper divisors (244460217).

489589839 is an frugal number, since it uses more digits than its factorization.

489589839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671609 (or 671594 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 63.

The square root of 489589839 is about 22126.6770889802. The cubic root of 489589839 is about 788.1534820683.

The spelling of 489589839 in words is "four hundred eighty-nine million, five hundred eighty-nine thousand, eight hundred thirty-nine".