898430017 has 2 divisors, whose sum is σ = 898430018. Its totient is φ = 898430016.

The previous prime is 898429997. The next prime is 898430081. The reversal of 898430017 is 710034898.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 713904961 + 184525056 = 26719^2 + 13584^2 .

It is a cyclic number.

It is not a de Polignac number, because 898430017 - 2²⁷ = 764212289 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (898430317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449215008 + 449215009.

It is an arithmetic number, because the mean of its divisors is an integer number (449215009).

Almost surely, 2^898430017 is an apocalyptic number.

It is an amenable number.

898430017 is a deficient number, since it is larger than the sum of its proper divisors (1).

898430017 is an equidigital number, since it uses as much as digits as its factorization.

898430017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 898430017 is about 29973.8221953758. The cubic root of 898430017 is about 964.9276497253.

The spelling of 898430017 in words is "eight hundred ninety-eight million, four hundred thirty thousand, seventeen".