489845772 has 96 divisors (see below), whose sum is σ = 1373803200. Its totient is φ = 150045696.

The previous prime is 489845761. The next prime is 489845791. The reversal of 489845772 is 277548984.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 377028 + ... + 378324.

It is an arithmetic number, because the mean of its divisors is an integer number (14310450).

Almost surely, 2^489845772 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 489845772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (686901600).

489845772 is an abundant number, since it is smaller than the sum of its proper divisors (883957428).

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

489845772 is a wasteful number, since it uses less digits than its factorization.

489845772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592 (or 1584 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The square root of 489845772 is about 22132.4596915933. The cubic root of 489845772 is about 788.2907938413.

It can be divided in two parts, 48984 and 5772, that added together give a square (54756 = 234²).

The spelling of 489845772 in words is "four hundred eighty-nine million, eight hundred forty-five thousand, seven hundred seventy-two".