489609708 has 96 divisors (see below), whose sum is σ = 1384857600. Its totient is φ = 131512896.

The previous prime is 489609661. The next prime is 489609709. The reversal of 489609708 is 807906984.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (489609709) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220741 + ... + 222947.

It is an arithmetic number, because the mean of its divisors is an integer number (14425600).

Almost surely, 2^489609708 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 489609708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (692428800).

489609708 is an abundant number, since it is smaller than the sum of its proper divisors (895247892).

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

489609708 is a wasteful number, since it uses less digits than its factorization.

489609708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379 (or 2377 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 489609708 is about 22127.1260673410. The cubic root of 489609708 is about 788.1641437885.

The spelling of 489609708 in words is "four hundred eighty-nine million, six hundred nine thousand, seven hundred eight".