98089217 has 2 divisors, whose sum is σ = 98089218. Its totient is φ = 98089216.

The previous prime is 98089171. The next prime is 98089219. The reversal of 98089217 is 71298089.

It is a Cunningham number, because it is equal to 9904²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98089216 + 1 = 9904^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 98089217 - 2¹⁴ = 98072833 is a prime.

Together with 98089219, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98089219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49044608 + 49044609.

It is an arithmetic number, because the mean of its divisors is an integer number (49044609).

Almost surely, 2^98089217 is an apocalyptic number.

It is an amenable number.

98089217 is a deficient number, since it is larger than the sum of its proper divisors (1).

98089217 is an equidigital number, since it uses as much as digits as its factorization.

98089217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 44.

The square root of 98089217 is about 9904.0000504847. Note that the first 4 decimals coincide. The cubic root of 98089217 is about 461.1834946943.

The spelling of 98089217 in words is "ninety-eight million, eighty-nine thousand, two hundred seventeen".