489259008 has 256 divisors, whose sum is σ = 1677696000. Its totient is φ = 138018816.

The previous prime is 489259003. The next prime is 489259039. The reversal of 489259008 is 800952984.

It is a tau number, because it is divible by the number of its divisors (256).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489259003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6193113 + ... + 6193191.

It is an arithmetic number, because the mean of its divisors is an integer number (6553500).

Almost surely, 2^489259008 is an apocalyptic number.

489259008 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489259008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (838848000).

489259008 is an abundant number, since it is smaller than the sum of its proper divisors (1188436992).

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

489259008 is an frugal number, since it uses more digits than its factorization.

489259008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 489259008 is about 22119.1999855329. The cubic root of 489259008 is about 787.9759155032.

The spelling of 489259008 in words is "four hundred eighty-nine million, two hundred fifty-nine thousand, eight".