489661200 has 600 divisors, whose sum is σ = 2143291392. Its totient is φ = 104509440.

The previous prime is 489661189. The next prime is 489661229. The reversal of 489661200 is 2166984.

It is a tau number, because it is divible by the number of its divisors (600).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 3855537 + ... + 3855663.

Almost surely, 2^489661200 is an apocalyptic number.

489661200 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 489661200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1071645696).

489661200 is an abundant number, since it is smaller than the sum of its proper divisors (1653630192).

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

489661200 is a wasteful number, since it uses less digits than its factorization.

489661200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 489661200 is about 22128.2895859576. The cubic root of 489661200 is about 788.1917730919.

The spelling of 489661200 in words is "four hundred eighty-nine million, six hundred sixty-one thousand, two hundred".