889091417 has 2 divisors, whose sum is σ = 889091418. Its totient is φ = 889091416.

The previous prime is 889091393. The next prime is 889091429. The reversal of 889091417 is 714190988.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 788711056 + 100380361 = 28084^2 + 10019^2 .

It is a cyclic number.

It is not a de Polignac number, because 889091417 - 2¹⁰ = 889090393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (889091317) 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, 444545708 + 444545709.

It is an arithmetic number, because the mean of its divisors is an integer number (444545709).

Almost surely, 2^889091417 is an apocalyptic number.

It is an amenable number.

889091417 is a deficient number, since it is larger than the sum of its proper divisors (1).

889091417 is an equidigital number, since it uses as much as digits as its factorization.

889091417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 47.

The square root of 889091417 is about 29817.6360062296. The cubic root of 889091417 is about 961.5727320132.

The spelling of 889091417 in words is "eight hundred eighty-nine million, ninety-one thousand, four hundred seventeen".