489188922 has 8 divisors (see below), whose sum is σ = 978377856. Its totient is φ = 163062972.

The previous prime is 489188911. The next prime is 489188927. The reversal of 489188922 is 229881984.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

489188922 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (489188927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40765738 + ... + 40765749.

It is an arithmetic number, because the mean of its divisors is an integer number (122297232).

Almost surely, 2^489188922 is an apocalyptic number.

489188922 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

489188922 is a wasteful number, since it uses less digits than its factorization.

489188922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81531492.

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

The square root of 489188922 is about 22117.6156490703. The cubic root of 489188922 is about 787.9382880460.

The spelling of 489188922 in words is "four hundred eighty-nine million, one hundred eighty-eight thousand, nine hundred twenty-two".