98644717 has 2 divisors, whose sum is σ = 98644718. Its totient is φ = 98644716.

The previous prime is 98644657. The next prime is 98644739. The reversal of 98644717 is 71744689.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70459236 + 28185481 = 8394^2 + 5309^2 .

It is an emirp because it is prime and its reverse (71744689) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98644717 - 2⁷ = 98644589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98644417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49322358 + 49322359.

It is an arithmetic number, because the mean of its divisors is an integer number (49322359).

Almost surely, 2^98644717 is an apocalyptic number.

It is an amenable number.

98644717 is a deficient number, since it is larger than the sum of its proper divisors (1).

98644717 is an equidigital number, since it uses as much as digits as its factorization.

98644717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 46.

The square root of 98644717 is about 9932.0046818354. The cubic root of 98644717 is about 462.0524496465.

The spelling of 98644717 in words is "ninety-eight million, six hundred forty-four thousand, seven hundred seventeen".