489464859 has 16 divisors (see below), whose sum is σ = 725494784. Its totient is φ = 291492000.

The previous prime is 489464849. The next prime is 489464893. The reversal of 489464859 is 958464984.

It is not a de Polignac number, because 489464859 - 2⁸ = 489464603 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 489464799 and 489464808.

It is not an unprimeable number, because it can be changed into a prime (489464849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201217 + ... + 203634.

It is an arithmetic number, because the mean of its divisors is an integer number (45343424).

Almost surely, 2^489464859 is an apocalyptic number.

489464859 is a deficient number, since it is larger than the sum of its proper divisors (236029925).

489464859 is a wasteful number, since it uses less digits than its factorization.

489464859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404898.

The product of its digits is 9953280, while the sum is 57.

The square root of 489464859 is about 22123.8527160167. The cubic root of 489464859 is about 788.0864110922.

The spelling of 489464859 in words is "four hundred eighty-nine million, four hundred sixty-four thousand, eight hundred fifty-nine".