489444983 has 16 divisors (see below), whose sum is σ = 508865760. Its totient is φ = 470486016.

The previous prime is 489444973. The next prime is 489445001. The reversal of 489444983 is 389444984.

It is a cyclic number.

It is not a de Polignac number, because 489444983 - 2¹⁰ = 489443959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489444953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1196483 + ... + 1196891.

It is an arithmetic number, because the mean of its divisors is an integer number (31804110).

Almost surely, 2^489444983 is an apocalyptic number.

489444983 is a deficient number, since it is larger than the sum of its proper divisors (19420777).

489444983 is a wasteful number, since it uses less digits than its factorization.

489444983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866.

The product of its digits is 3981312, while the sum is 53.

The square root of 489444983 is about 22123.4035130221. The cubic root of 489444983 is about 788.0757435116.

Subtracting from 489444983 its reverse (389444984), we obtain a palindrome (99999999).

The spelling of 489444983 in words is "four hundred eighty-nine million, four hundred forty-four thousand, nine hundred eighty-three".