489459447 has 12 divisors (see below), whose sum is σ = 707203224. Its totient is φ = 326211120.

The previous prime is 489459407. The next prime is 489459473. The reversal of 489459447 is 744954984.

489459447 is a `hidden beast` number, since 4 + 8 + 9 + 4 + 594 + 47 = 666.

It is not a de Polignac number, because 489459447 - 2⁷ = 489459319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 489459393 and 489459402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489459407) 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, 39673 + ... + 50525.

It is an arithmetic number, because the mean of its divisors is an integer number (58933602).

Almost surely, 2^489459447 is an apocalyptic number.

489459447 is a deficient number, since it is larger than the sum of its proper divisors (217743777).

489459447 is a wasteful number, since it uses less digits than its factorization.

489459447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15870 (or 15867 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 489459447 is about 22123.7304042514. The cubic root of 489459447 is about 788.0835064646.

The spelling of 489459447 in words is "four hundred eighty-nine million, four hundred fifty-nine thousand, four hundred forty-seven".