489309600 has 144 divisors (see below), whose sum is σ = 1715327712. Its totient is φ = 120437760.

The previous prime is 489309563. The next prime is 489309661. The reversal of 489309600 is 6903984.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23359 + ... + 39041.

It is an arithmetic number, because the mean of its divisors is an integer number (11911998).

Almost surely, 2^489309600 is an apocalyptic number.

489309600 is a gapful number since it is divisible by the number (40) 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 489309600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (857663856).

489309600 is an abundant number, since it is smaller than the sum of its proper divisors (1226018112).

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

489309600 is a wasteful number, since it uses less digits than its factorization.

489309600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15719 (or 15706 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 489309600 is about 22120.3435778019. The cubic root of 489309600 is about 788.0030748761.

The spelling of 489309600 in words is "four hundred eighty-nine million, three hundred nine thousand, six hundred".