489730845 has 8 divisors (see below), whose sum is σ = 783569376. Its totient is φ = 261189776.

The previous prime is 489730831. The next prime is 489730847. The reversal of 489730845 is 548037984.

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 489730845 - 2²⁶ = 422621981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 489730794 and 489730803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489730847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16324347 + ... + 16324376.

It is an arithmetic number, because the mean of its divisors is an integer number (97946172).

Almost surely, 2^489730845 is an apocalyptic number.

It is an amenable number.

489730845 is a deficient number, since it is larger than the sum of its proper divisors (293838531).

489730845 is a wasteful number, since it uses less digits than its factorization.

489730845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32648731.

The product of its (nonzero) digits is 967680, while the sum is 48.

The square root of 489730845 is about 22129.8631943354. The cubic root of 489730845 is about 788.2291397539.

The spelling of 489730845 in words is "four hundred eighty-nine million, seven hundred thirty thousand, eight hundred forty-five".