489363983 has 4 divisors (see below), whose sum is σ = 492098040. Its totient is φ = 486629928.

The previous prime is 489363977. The next prime is 489363997. The reversal of 489363983 is 389363984.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 489363983 - 2⁴ = 489363967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489363383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1366760 + ... + 1367117.

It is an arithmetic number, because the mean of its divisors is an integer number (123024510).

Almost surely, 2^489363983 is an apocalyptic number.

489363983 is a deficient number, since it is larger than the sum of its proper divisors (2734057).

489363983 is a wasteful number, since it uses less digits than its factorization.

489363983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2734056.

The product of its digits is 3359232, while the sum is 53.

The square root of 489363983 is about 22121.5727967068. The cubic root of 489363983 is about 788.0322672891.

Subtracting from 489363983 its reverse (389363984), we obtain a palindrome (99999999).

The spelling of 489363983 in words is "four hundred eighty-nine million, three hundred sixty-three thousand, nine hundred eighty-three".