489867120 has 120 divisors (see below), whose sum is σ = 1731771600. Its totient is φ = 123752448.

The previous prime is 489867113. The next prime is 489867143. The reversal of 489867120 is 21768984.

489867120 is a `hidden beast` number, since 489 + 86 + 71 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 4225 + ... + 31584.

It is an arithmetic number, because the mean of its divisors is an integer number (14431430).

Almost surely, 2^489867120 is an apocalyptic number.

489867120 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 489867120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (865885800).

489867120 is an abundant number, since it is smaller than the sum of its proper divisors (1241904480).

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

489867120 is a wasteful number, since it uses less digits than its factorization.

489867120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35847 (or 35838 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 489867120 is about 22132.9419644113. The cubic root of 489867120 is about 788.3022451922.

The spelling of 489867120 in words is "four hundred eighty-nine million, eight hundred sixty-seven thousand, one hundred twenty".