98342191 has 2 divisors, whose sum is σ = 98342192. Its totient is φ = 98342190.

The previous prime is 98342177. The next prime is 98342197. The reversal of 98342191 is 19124389.

It is a strong prime.

It is an emirp because it is prime and its reverse (19124389) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98342191 - 2⁵ = 98342159 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98342191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98342197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49171095 + 49171096.

It is an arithmetic number, because the mean of its divisors is an integer number (49171096).

Almost surely, 2^98342191 is an apocalyptic number.

98342191 is a deficient number, since it is larger than the sum of its proper divisors (1).

98342191 is an equidigital number, since it uses as much as digits as its factorization.

98342191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 37.

The square root of 98342191 is about 9916.7631311835. The cubic root of 98342191 is about 461.5796214197.

The spelling of 98342191 in words is "ninety-eight million, three hundred forty-two thousand, one hundred ninety-one".