98235191 has 2 divisors, whose sum is σ = 98235192. Its totient is φ = 98235190.

The previous prime is 98235167. The next prime is 98235223. The reversal of 98235191 is 19153289.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98235191 - 2⁶ = 98235127 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98235161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49117595 + 49117596.

It is an arithmetic number, because the mean of its divisors is an integer number (49117596).

Almost surely, 2^98235191 is an apocalyptic number.

98235191 is a deficient number, since it is larger than the sum of its proper divisors (1).

98235191 is an equidigital number, since it uses as much as digits as its factorization.

98235191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 38.

The square root of 98235191 is about 9911.3667574154. The cubic root of 98235191 is about 461.4121553430.

The spelling of 98235191 in words is "ninety-eight million, two hundred thirty-five thousand, one hundred ninety-one".