98318617 has 2 divisors, whose sum is σ = 98318618. Its totient is φ = 98318616.

The previous prime is 98318593. The next prime is 98318651. The reversal of 98318617 is 71681389.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87684496 + 10634121 = 9364^2 + 3261^2 .

It is a cyclic number.

It is not a de Polignac number, because 98318617 - 2⁷ = 98318489 is a prime.

It is a super-3 number, since 3×98318617³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (98318117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49159308 + 49159309.

It is an arithmetic number, because the mean of its divisors is an integer number (49159309).

Almost surely, 2^98318617 is an apocalyptic number.

It is an amenable number.

98318617 is a deficient number, since it is larger than the sum of its proper divisors (1).

98318617 is an equidigital number, since it uses as much as digits as its factorization.

98318617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 43.

The square root of 98318617 is about 9915.5744664644. The cubic root of 98318617 is about 461.5427361064.

It can be divided in two parts, 983 and 18617, that added together give a square (19600 = 140²).

The spelling of 98318617 in words is "ninety-eight million, three hundred eighteen thousand, six hundred seventeen".