98391673 has 2 divisors, whose sum is σ = 98391674. Its totient is φ = 98391672.

The previous prime is 98391649. The next prime is 98391707. The reversal of 98391673 is 37619389.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96294969 + 2096704 = 9813^2 + 1448^2 .

It is a cyclic number.

It is not a de Polignac number, because 98391673 - 2⁵ = 98391641 is a prime.

It is a super-3 number, since 3×98391673³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (98391773) 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, 49195836 + 49195837.

It is an arithmetic number, because the mean of its divisors is an integer number (49195837).

Almost surely, 2^98391673 is an apocalyptic number.

It is an amenable number.

98391673 is a deficient number, since it is larger than the sum of its proper divisors (1).

98391673 is an equidigital number, since it uses as much as digits as its factorization.

98391673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 46.

The square root of 98391673 is about 9919.2576839197. The cubic root of 98391673 is about 461.6570247971.

The spelling of 98391673 in words is "ninety-eight million, three hundred ninety-one thousand, six hundred seventy-three".