489766 has 8 divisors (see below), whose sum is σ = 738504. Its totient is φ = 243600.

The previous prime is 489761. The next prime is 489791. The reversal of 489766 is 667984.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489761) by changing a digit.

489766 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 in 3 ways as a sum of consecutive naturals, for example, 60 + ... + 991.

It is an arithmetic number, because the mean of its divisors is an integer number (92313).

2⁴⁸⁹⁷⁶⁶ is an apocalyptic number.

489766 is a deficient number, since it is larger than the sum of its proper divisors (248738).

489766 is a wasteful number, since it uses less digits than its factorization.

489766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286.

The product of its digits is 72576, while the sum is 40.

The square root of 489766 is about 699.8328371833. The cubic root of 489766 is about 78.8248000136.

The spelling of 489766 in words is "four hundred eighty-nine thousand, seven hundred sixty-six".