489889122 has 32 divisors (see below), whose sum is σ = 1032345600. Its totient is φ = 154551888.

The previous prime is 489889097. The next prime is 489889171. The reversal of 489889122 is 221988984.

It is a happy 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, 213063 + ... + 215349.

It is an arithmetic number, because the mean of its divisors is an integer number (32260800).

Almost surely, 2^489889122 is an apocalyptic number.

489889122 is an abundant number, since it is smaller than the sum of its proper divisors (542456478).

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

489889122 is a wasteful number, since it uses less digits than its factorization.

489889122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4190.

The product of its digits is 663552, while the sum is 51.

The square root of 489889122 is about 22133.4390007518. The cubic root of 489889122 is about 788.3140470092.

The spelling of 489889122 in words is "four hundred eighty-nine million, eight hundred eighty-nine thousand, one hundred twenty-two".