98984191 has 4 divisors (see below), whose sum is σ = 99007272. Its totient is φ = 98961112.

The previous prime is 98984189. The next prime is 98984227. The reversal of 98984191 is 19148989.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 98984191 - 2¹ = 98984189 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98984161) 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 in 3 ways as a sum of consecutive naturals, for example, 3001 + ... + 14386.

It is an arithmetic number, because the mean of its divisors is an integer number (24751818).

Almost surely, 2^98984191 is an apocalyptic number.

98984191 is a deficient number, since it is larger than the sum of its proper divisors (23081).

98984191 is a wasteful number, since it uses less digits than its factorization.

98984191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23080.

The product of its digits is 186624, while the sum is 49.

The square root of 98984191 is about 9949.0799072075. The cubic root of 98984191 is about 462.5818755463.

The spelling of 98984191 in words is "ninety-eight million, nine hundred eighty-four thousand, one hundred ninety-one".