489966 has 16 divisors (see below), whose sum is σ = 989184. Its totient is φ = 161784.

The previous prime is 489961. The next prime is 489977. The reversal of 489966 is 669984.

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 (489961) by changing a digit.

489966 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 in 7 ways as a sum of consecutive naturals, for example, 441 + ... + 1083.

It is an arithmetic number, because the mean of its divisors is an integer number (61824).

2⁴⁸⁹⁹⁶⁶ is an apocalyptic number.

489966 is an abundant number, since it is smaller than the sum of its proper divisors (499218).

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

489966 is a wasteful number, since it uses less digits than its factorization.

489966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775.

The product of its digits is 93312, while the sum is 42.

The square root of 489966 is about 699.9757138644. The cubic root of 489966 is about 78.8355281399.

The spelling of 489966 in words is "four hundred eighty-nine thousand, nine hundred sixty-six".