98189173 has 2 divisors, whose sum is σ = 98189174. Its totient is φ = 98189172.

The previous prime is 98189141. The next prime is 98189177. The reversal of 98189173 is 37198189.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50951044 + 47238129 = 7138^2 + 6873^2 .

It is a cyclic number.

It is not a de Polignac number, because 98189173 - 2⁵ = 98189141 is a prime.

It is a super-2 number, since 2×98189173² = 19282227388847858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98189177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49094586 + 49094587.

It is an arithmetic number, because the mean of its divisors is an integer number (49094587).

Almost surely, 2^98189173 is an apocalyptic number.

It is an amenable number.

98189173 is a deficient number, since it is larger than the sum of its proper divisors (1).

98189173 is an equidigital number, since it uses as much as digits as its factorization.

98189173 is an evil number, because the sum of its binary digits is even.

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

The square root of 98189173 is about 9909.0450094850. The cubic root of 98189173 is about 461.3400950126.

The spelling of 98189173 in words is "ninety-eight million, one hundred eighty-nine thousand, one hundred seventy-three".