489831500 has 48 divisors (see below), whose sum is σ = 1072745856. Its totient is φ = 195392000.

The previous prime is 489831487. The next prime is 489831539. The reversal of 489831500 is 5138984.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214364 + ... + 216636.

It is an arithmetic number, because the mean of its divisors is an integer number (22348872).

Almost surely, 2^489831500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489831500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536372928).

489831500 is an abundant number, since it is smaller than the sum of its proper divisors (582914356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489831500 is a wasteful number, since it uses less digits than its factorization.

489831500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2723 (or 2711 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 489831500 is about 22132.1372668796. The cubic root of 489831500 is about 788.2831379653.

The spelling of 489831500 in words is "four hundred eighty-nine million, eight hundred thirty-one thousand, five hundred".