98938171 has 2 divisors, whose sum is σ = 98938172. Its totient is φ = 98938170.

The previous prime is 98938139. The next prime is 98938183. The reversal of 98938171 is 17183989.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 98938171 - 2⁵ = 98938139 is a prime.

It is not a weakly prime, because it can be changed into another prime (98938271) 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, 49469085 + 49469086.

It is an arithmetic number, because the mean of its divisors is an integer number (49469086).

Almost surely, 2^98938171 is an apocalyptic number.

98938171 is a deficient number, since it is larger than the sum of its proper divisors (1).

98938171 is an equidigital number, since it uses as much as digits as its factorization.

98938171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 46.

The square root of 98938171 is about 9946.7668616491. The cubic root of 98938171 is about 462.5101761579.

The spelling of 98938171 in words is "ninety-eight million, nine hundred thirty-eight thousand, one hundred seventy-one".