98421173 has 2 divisors, whose sum is σ = 98421174. Its totient is φ = 98421172.

The previous prime is 98421133. The next prime is 98421179. The reversal of 98421173 is 37112489.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82755409 + 15665764 = 9097^2 + 3958^2 .

It is a cyclic number.

It is not a de Polignac number, because 98421173 - 2¹⁶ = 98355637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98421179) 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, 49210586 + 49210587.

It is an arithmetic number, because the mean of its divisors is an integer number (49210587).

Almost surely, 2^98421173 is an apocalyptic number.

It is an amenable number.

98421173 is a deficient number, since it is larger than the sum of its proper divisors (1).

98421173 is an equidigital number, since it uses as much as digits as its factorization.

98421173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 35.

The square root of 98421173 is about 9920.7445789114. The cubic root of 98421173 is about 461.7031585161.

The spelling of 98421173 in words is "ninety-eight million, four hundred twenty-one thousand, one hundred seventy-three".