98840173 has 2 divisors, whose sum is σ = 98840174. Its totient is φ = 98840172.

The previous prime is 98840143. The next prime is 98840233. The reversal of 98840173 is 37104889.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70930084 + 27910089 = 8422^2 + 5283^2 .

It is a cyclic number.

It is not a de Polignac number, because 98840173 - 2²¹ = 96743021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98840143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49420086 + 49420087.

It is an arithmetic number, because the mean of its divisors is an integer number (49420087).

Almost surely, 2^98840173 is an apocalyptic number.

It is an amenable number.

98840173 is a deficient number, since it is larger than the sum of its proper divisors (1).

98840173 is an equidigital number, since it uses as much as digits as its factorization.

98840173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 98840173 is about 9941.8395179162. The cubic root of 98840173 is about 462.3574206716.

The spelling of 98840173 in words is "ninety-eight million, eight hundred forty thousand, one hundred seventy-three".