489478 has 16 divisors (see below), whose sum is σ = 843840. Its totient is φ = 210600.

The previous prime is 489457. The next prime is 489479. The reversal of 489478 is 874984.

It is a self number, because there is not a number n which added to its sum of digits gives 489478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168 + ... + 1003.

It is an arithmetic number, because the mean of its divisors is an integer number (52740).

2⁴⁸⁹⁴⁷⁸ is an apocalyptic number.

489478 is a deficient number, since it is larger than the sum of its proper divisors (354362).

489478 is a wasteful number, since it uses less digits than its factorization.

489478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203.

The product of its digits is 64512, while the sum is 40.

The square root of 489478 is about 699.6270435025. The cubic root of 489478 is about 78.8093463795.

The spelling of 489478 in words is "four hundred eighty-nine thousand, four hundred seventy-eight".