489663 has 12 divisors (see below), whose sum is σ = 725088. Its totient is φ = 318240.

The previous prime is 489659. The next prime is 489673. The reversal of 489663 is 366984.

It is not a de Polignac number, because 489663 - 2² = 489659 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 489663.

It is not an unprimeable number, because it can be changed into a prime (489613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 295 + ... + 1032.

It is an arithmetic number, because the mean of its divisors is an integer number (60424).

2⁴⁸⁹⁶⁶³ is an apocalyptic number.

489663 is a deficient number, since it is larger than the sum of its proper divisors (235425).

489663 is a wasteful number, since it uses less digits than its factorization.

489663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374 (or 1371 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 489663 is about 699.7592443119. The cubic root of 489663 is about 78.8192738891.

The spelling of 489663 in words is "four hundred eighty-nine thousand, six hundred sixty-three".