489831347 has 4 divisors (see below), whose sum is σ = 495335160. Its totient is φ = 484327536.

The previous prime is 489831323. The next prime is 489831359. The reversal of 489831347 is 743138984.

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 489831347 - 2⁸ = 489831091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489831317) 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 3 ways as a sum of consecutive naturals, for example, 2751773 + ... + 2751950.

It is an arithmetic number, because the mean of its divisors is an integer number (123833790).

Almost surely, 2^489831347 is an apocalyptic number.

489831347 is a deficient number, since it is larger than the sum of its proper divisors (5503813).

489831347 is an equidigital number, since it uses as much as digits as its factorization.

489831347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5503812.

The product of its digits is 580608, while the sum is 47.

The square root of 489831347 is about 22132.1338103672. The cubic root of 489831347 is about 788.2830558913.

The spelling of 489831347 in words is "four hundred eighty-nine million, eight hundred thirty-one thousand, three hundred forty-seven".