489858907 has 2 divisors, whose sum is σ = 489858908. Its totient is φ = 489858906.

The previous prime is 489858871. The next prime is 489858959. The reversal of 489858907 is 709858984.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 489858907 - 2¹¹ = 489856859 is a prime.

It is not a weakly prime, because it can be changed into another prime (489858977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244929453 + 244929454.

It is an arithmetic number, because the mean of its divisors is an integer number (244929454).

Almost surely, 2^489858907 is an apocalyptic number.

489858907 is a deficient number, since it is larger than the sum of its proper divisors (1).

489858907 is an equidigital number, since it uses as much as digits as its factorization.

489858907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5806080, while the sum is 58.

The square root of 489858907 is about 22132.7564257144. The cubic root of 489858907 is about 788.2978396693.

The spelling of 489858907 in words is "four hundred eighty-nine million, eight hundred fifty-eight thousand, nine hundred seven".