489864655 has 8 divisors (see below), whose sum is σ = 671814432. Its totient is φ = 335907168.

The previous prime is 489864653. The next prime is 489864659. The reversal of 489864655 is 556468984.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 489864655 - 2¹ = 489864653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 489864596 and 489864605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489864653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6998032 + ... + 6998101.

It is an arithmetic number, because the mean of its divisors is an integer number (83976804).

Almost surely, 2^489864655 is an apocalyptic number.

489864655 is a deficient number, since it is larger than the sum of its proper divisors (181949777).

489864655 is a wasteful number, since it uses less digits than its factorization.

489864655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13996145.

The product of its digits is 8294400, while the sum is 55.

The square root of 489864655 is about 22132.8862781156. The cubic root of 489864655 is about 788.3009229504.

The spelling of 489864655 in words is "four hundred eighty-nine million, eight hundred sixty-four thousand, six hundred fifty-five".