489307311 has 20 divisors (see below), whose sum is σ = 773939232. Its totient is φ = 307015488.

The previous prime is 489307297. The next prime is 489307319. The reversal of 489307311 is 113703984.

It is a happy number.

It is not a de Polignac number, because 489307311 - 2¹³ = 489299119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489307319) 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 19 ways as a sum of consecutive naturals, for example, 176295 + ... + 179048.

Almost surely, 2^489307311 is an apocalyptic number.

489307311 is a deficient number, since it is larger than the sum of its proper divisors (284631921).

489307311 is a wasteful number, since it uses less digits than its factorization.

489307311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355372 (or 355363 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 489307311 is about 22120.2918380387. The cubic root of 489307311 is about 788.0018461095.

The spelling of 489307311 in words is "four hundred eighty-nine million, three hundred seven thousand, three hundred eleven".