489904 has 20 divisors (see below), whose sum is σ = 965464. Its totient is φ = 240768.

The previous prime is 489901. The next prime is 489911. The reversal of 489904 is 409984.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 489904.

It is not an unprimeable number, because it can be changed into a prime (489901) by changing a digit.

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, 844 + ... + 1300.

2⁴⁸⁹⁹⁰⁴ is an apocalyptic number.

It is an amenable number.

489904 is a deficient number, since it is larger than the sum of its proper divisors (475560).

489904 is a wasteful number, since it uses less digits than its factorization.

489904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 489904 is about 699.9314252125. The cubic root of 489904 is about 78.8322027330.

The spelling of 489904 in words is "four hundred eighty-nine thousand, nine hundred four".