98031917 has 2 divisors, whose sum is σ = 98031918. Its totient is φ = 98031916.

The previous prime is 98031859. The next prime is 98031929. The reversal of 98031917 is 71913089.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98029801 + 2116 = 9901^2 + 46^2 .

It is a cyclic number.

It is not a de Polignac number, because 98031917 - 2¹⁰ = 98030893 is a prime.

It is a super-2 number, since 2×98031917² = 19220513501389778, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98034917) 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, 49015958 + 49015959.

It is an arithmetic number, because the mean of its divisors is an integer number (49015959).

Almost surely, 2^98031917 is an apocalyptic number.

It is an amenable number.

98031917 is a deficient number, since it is larger than the sum of its proper divisors (1).

98031917 is an equidigital number, since it uses as much as digits as its factorization.

98031917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 98031917 is about 9901.1068573165. The cubic root of 98031917 is about 461.0936752341.

The spelling of 98031917 in words is "ninety-eight million, thirty-one thousand, nine hundred seventeen".