489884 has 6 divisors (see below), whose sum is σ = 857304. Its totient is φ = 244940.

The previous prime is 489871. The next prime is 489887. The reversal of 489884 is 488984.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489887) by changing a digit.

489884 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61232 + ... + 61239.

It is an arithmetic number, because the mean of its divisors is an integer number (142884).

2⁴⁸⁹⁸⁸⁴ is an apocalyptic number.

It is an amenable number.

489884 is a deficient number, since it is larger than the sum of its proper divisors (367420).

489884 is a wasteful number, since it uses less digits than its factorization.

489884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122475 (or 122473 counting only the distinct ones).

The product of its digits is 73728, while the sum is 41.

The square root of 489884 is about 699.9171379528. The cubic root of 489884 is about 78.8311299613.

Subtracting from 489884 its reverse (488984), we obtain a square (900 = 30²).

The spelling of 489884 in words is "four hundred eighty-nine thousand, eight hundred eighty-four".