489591271 has 8 divisors (see below), whose sum is σ = 550176480. Its totient is φ = 432280992.

The previous prime is 489591247. The next prime is 489591293. The reversal of 489591271 is 172195984.

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

It is not a de Polignac number, because 489591271 - 2²⁵ = 456036839 is a prime.

It is a super-2 number, since 2×489591271² = 479399225278790882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489597271) 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 7 ways as a sum of consecutive naturals, for example, 818416 + ... + 819013.

It is an arithmetic number, because the mean of its divisors is an integer number (68772060).

Almost surely, 2^489591271 is an apocalyptic number.

489591271 is a deficient number, since it is larger than the sum of its proper divisors (60585209).

489591271 is a wasteful number, since it uses less digits than its factorization.

489591271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637465.

The product of its digits is 181440, while the sum is 46.

The square root of 489591271 is about 22126.7094480856. The cubic root of 489591271 is about 788.1542504902.

The spelling of 489591271 in words is "four hundred eighty-nine million, five hundred ninety-one thousand, two hundred seventy-one".