489903 has 8 divisors (see below), whose sum is σ = 662448. Its totient is φ = 321984.

The previous prime is 489901. The next prime is 489911. The reversal of 489903 is 309984.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 489903 - 2¹ = 489901 is a prime.

489903 is a lucky number.

It is a plaindrome in base 16.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489901) 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, 900 + ... + 1337.

It is an arithmetic number, because the mean of its divisors is an integer number (82806).

2⁴⁸⁹⁹⁰³ is an apocalyptic number.

489903 is a deficient number, since it is larger than the sum of its proper divisors (172545).

489903 is a wasteful number, since it uses less digits than its factorization.

489903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2313.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 489903 is about 699.9307108564. The cubic root of 489903 is about 78.8321490952.

The spelling of 489903 in words is "four hundred eighty-nine thousand, nine hundred three".