489782417 has 2 divisors, whose sum is σ = 489782418. Its totient is φ = 489782416.

The previous prime is 489782387. The next prime is 489782429. The reversal of 489782417 is 714287984.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 466732816 + 23049601 = 21604^2 + 4801^2 .

It is a cyclic number.

It is not a de Polignac number, because 489782417 - 2¹⁰ = 489781393 is a prime.

It is not a weakly prime, because it can be changed into another prime (489782467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244891208 + 244891209.

It is an arithmetic number, because the mean of its divisors is an integer number (244891209).

Almost surely, 2^489782417 is an apocalyptic number.

It is an amenable number.

489782417 is a deficient number, since it is larger than the sum of its proper divisors (1).

489782417 is an equidigital number, since it uses as much as digits as its factorization.

489782417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 903168, while the sum is 50.

The square root of 489782417 is about 22131.0283764673. The cubic root of 489782417 is about 788.2568074186.

The spelling of 489782417 in words is "four hundred eighty-nine million, seven hundred eighty-two thousand, four hundred seventeen".