489812 has 6 divisors (see below), whose sum is σ = 857178. Its totient is φ = 244904.

The previous prime is 489803. The next prime is 489817. The reversal of 489812 is 218984.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 414736 + 75076 = 644^2 + 274^2 .

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61223 + ... + 61230.

It is an arithmetic number, because the mean of its divisors is an integer number (142863).

2⁴⁸⁹⁸¹² is an apocalyptic number.

It is an amenable number.

489812 is a deficient number, since it is larger than the sum of its proper divisors (367366).

489812 is a wasteful number, since it uses less digits than its factorization.

489812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122457 (or 122455 counting only the distinct ones).

The product of its digits is 4608, while the sum is 32.

The square root of 489812 is about 699.8657014028. The cubic root of 489812 is about 78.8272677412.

The spelling of 489812 in words is "four hundred eighty-nine thousand, eight hundred twelve".