489391733 has 12 divisors (see below), whose sum is σ = 537808740. Its totient is φ = 444713472.

The previous prime is 489391717. The next prime is 489391741. The reversal of 489391733 is 337193984.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 13410244 + 475981489 = 3662^2 + 21817^2 .

It is not a de Polignac number, because 489391733 - 2⁴ = 489391717 is a prime.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489391753) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20816 + ... + 37577.

It is an arithmetic number, because the mean of its divisors is an integer number (44817395).

Almost surely, 2^489391733 is an apocalyptic number.

It is an amenable number.

489391733 is a deficient number, since it is larger than the sum of its proper divisors (48417007).

489391733 is a wasteful number, since it uses less digits than its factorization.

489391733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58456 (or 58439 counting only the distinct ones).

The product of its digits is 489888, while the sum is 47.

The square root of 489391733 is about 22122.2000036163. The cubic root of 489391733 is about 788.0471624611.

The spelling of 489391733 in words is "four hundred eighty-nine million, three hundred ninety-one thousand, seven hundred thirty-three".