417282989 has 2 divisors, whose sum is σ = 417282990. Its totient is φ = 417282988.

The previous prime is 417282949. The next prime is 417283057. The reversal of 417282989 is 989282714.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222457225 + 194825764 = 14915^2 + 13958^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-417282989 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (417282919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208641494 + 208641495.

It is an arithmetic number, because the mean of its divisors is an integer number (208641495).

Almost surely, 2^417282989 is an apocalyptic number.

It is an amenable number.

417282989 is a deficient number, since it is larger than the sum of its proper divisors (1).

417282989 is an equidigital number, since it uses as much as digits as its factorization.

417282989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 50.

The square root of 417282989 is about 20427.5056969763. The cubic root of 417282989 is about 747.2688749765.

The spelling of 417282989 in words is "four hundred seventeen million, two hundred eighty-two thousand, nine hundred eighty-nine".