489928 has 16 divisors (see below), whose sum is σ = 938880. Its totient is φ = 239568.

The previous prime is 489913. The next prime is 489941. The reversal of 489928 is 829984.

It is a happy number.

489928 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable 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, 276 + ... + 1027.

It is an arithmetic number, because the mean of its divisors is an integer number (58680).

2⁴⁸⁹⁹²⁸ is an apocalyptic number.

It is an amenable number.

489928 is a deficient number, since it is larger than the sum of its proper divisors (448952).

489928 is a wasteful number, since it uses less digits than its factorization.

489928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356 (or 1352 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The square root of 489928 is about 699.9485695392. The cubic root of 489928 is about 78.8334900206.

The spelling of 489928 in words is "four hundred eighty-nine thousand, nine hundred twenty-eight".