489834387 has 24 divisors (see below), whose sum is σ = 820691456. Its totient is φ = 275725296.

The previous prime is 489834361. The next prime is 489834391. The reversal of 489834387 is 783438984.

489834387 is a `hidden beast` number, since 489 + 83 + 4 + 3 + 87 = 666.

It is not a de Polignac number, because 489834387 - 2⁷ = 489834259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489835387) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53803 + ... + 62244.

Almost surely, 2^489834387 is an apocalyptic number.

489834387 is a deficient number, since it is larger than the sum of its proper divisors (330857069).

489834387 is a wasteful number, since it uses less digits than its factorization.

489834387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116127 (or 116124 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The square root of 489834387 is about 22132.2024886815. The cubic root of 489834387 is about 788.2846866400.

The spelling of 489834387 in words is "four hundred eighty-nine million, eight hundred thirty-four thousand, three hundred eighty-seven".