489668 has 24 divisors (see below), whose sum is σ = 957600. Its totient is φ = 217728.

The previous prime is 489659. The next prime is 489673. The reversal of 489668 is 866984.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1103 + ... + 1481.

It is an arithmetic number, because the mean of its divisors is an integer number (39900).

2⁴⁸⁹⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

489668 is a deficient number, since it is larger than the sum of its proper divisors (467932).

489668 is a wasteful number, since it uses less digits than its factorization.

489668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419 (or 417 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 489668 is about 699.7628169601. The cubic root of 489668 is about 78.8195421655.

The spelling of 489668 in words is "four hundred eighty-nine thousand, six hundred sixty-eight".