489591356 has 6 divisors (see below), whose sum is σ = 856784880. Its totient is φ = 244795676.

The previous prime is 489591341. The next prime is 489591359. The reversal of 489591356 is 653195984.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489591359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61198916 + ... + 61198923.

It is an arithmetic number, because the mean of its divisors is an integer number (142797480).

Almost surely, 2^489591356 is an apocalyptic number.

It is an amenable number.

489591356 is a deficient number, since it is larger than the sum of its proper divisors (367193524).

489591356 is a wasteful number, since it uses less digits than its factorization.

489591356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122397843 (or 122397841 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 50.

The square root of 489591356 is about 22126.7113688411. The cubic root of 489591356 is about 788.1542961018.

The spelling of 489591356 in words is "four hundred eighty-nine million, five hundred ninety-one thousand, three hundred fifty-six".