98216917 has 2 divisors, whose sum is σ = 98216918. Its totient is φ = 98216916.

The previous prime is 98216891. The next prime is 98216933. The reversal of 98216917 is 71961289.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80120401 + 18096516 = 8951^2 + 4254^2 .

It is a cyclic number.

It is not a de Polignac number, because 98216917 - 2¹¹ = 98214869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98216977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49108458 + 49108459.

It is an arithmetic number, because the mean of its divisors is an integer number (49108459).

Almost surely, 2^98216917 is an apocalyptic number.

It is an amenable number.

98216917 is a deficient number, since it is larger than the sum of its proper divisors (1).

98216917 is an equidigital number, since it uses as much as digits as its factorization.

98216917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 43.

The square root of 98216917 is about 9910.4448436990. Note that the first 3 decimals coincide. The cubic root of 98216917 is about 461.3835424854.

The spelling of 98216917 in words is "ninety-eight million, two hundred sixteen thousand, nine hundred seventeen".