489545852 has 24 divisors (see below), whose sum is σ = 871984512. Its totient is φ = 240433200.

The previous prime is 489545809. The next prime is 489545867. The reversal of 489545852 is 258545984.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 489545852.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77327 + ... + 83417.

It is an arithmetic number, because the mean of its divisors is an integer number (36332688).

Almost surely, 2^489545852 is an apocalyptic number.

It is an amenable number.

489545852 is a deficient number, since it is larger than the sum of its proper divisors (382438660).

489545852 is a wasteful number, since it uses less digits than its factorization.

489545852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6449 (or 6447 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 50.

The square root of 489545852 is about 22125.6830855004. The cubic root of 489545852 is about 788.1298775850.

The spelling of 489545852 in words is "four hundred eighty-nine million, five hundred forty-five thousand, eight hundred fifty-two".