489184884 has 72 divisors (see below), whose sum is σ = 1297296000. Its totient is φ = 155128512.

The previous prime is 489184873. The next prime is 489184897. The reversal of 489184884 is 488481984.

It is a happy number.

489184884 is a `hidden beast` number, since 489 + 1 + 84 + 8 + 84 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 489184884.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161617 + ... + 164615.

It is an arithmetic number, because the mean of its divisors is an integer number (18018000).

Almost surely, 2^489184884 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 489184884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (648648000).

489184884 is an abundant number, since it is smaller than the sum of its proper divisors (808111116).

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

489184884 is a wasteful number, since it uses less digits than its factorization.

489184884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3229 (or 3224 counting only the distinct ones).

The product of its digits is 2359296, while the sum is 54.

The square root of 489184884 is about 22117.5243641778. The cubic root of 489184884 is about 787.9361200332.

The spelling of 489184884 in words is "four hundred eighty-nine million, one hundred eighty-four thousand, eight hundred eighty-four".