489369843 has 20 divisors (see below), whose sum is σ = 741338928. Its totient is φ = 321647760.

The previous prime is 489369841. The next prime is 489369851. The reversal of 489369843 is 348963984.

It is a happy number.

489369843 is a `hidden beast` number, since 489 + 36 + 98 + 43 = 666.

It is not a de Polignac number, because 489369843 - 2¹ = 489369841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 489369843.

It is not an unprimeable number, because it can be changed into a prime (489369841) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 36796 + ... + 48297.

Almost surely, 2^489369843 is an apocalyptic number.

489369843 is a deficient number, since it is larger than the sum of its proper divisors (251969085).

489369843 is an equidigital number, since it uses as much as digits as its factorization.

489369843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85176 (or 85167 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 54.

The square root of 489369843 is about 22121.7052462056. The cubic root of 489369843 is about 788.0354127669.

The spelling of 489369843 in words is "four hundred eighty-nine million, three hundred sixty-nine thousand, eight hundred forty-three".