489353983 has 4 divisors (see below), whose sum is σ = 501289488. Its totient is φ = 477418480.

The previous prime is 489353947. The next prime is 489354001. The reversal of 489353983 is 389353984.

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 489353983 - 2²⁵ = 455799551 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 489353983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489353923) 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, 5967691 + ... + 5967772.

It is an arithmetic number, because the mean of its divisors is an integer number (125322372).

Almost surely, 2^489353983 is an apocalyptic number.

489353983 is a deficient number, since it is larger than the sum of its proper divisors (11935505).

489353983 is a wasteful number, since it uses less digits than its factorization.

489353983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11935504.

The product of its digits is 2799360, while the sum is 52.

The square root of 489353983 is about 22121.3467718401. The cubic root of 489353983 is about 788.0268995215.

Subtracting from 489353983 its reverse (389353984), we obtain a palindrome (99999999).

The spelling of 489353983 in words is "four hundred eighty-nine million, three hundred fifty-three thousand, nine hundred eighty-three".