98844091 has 2 divisors, whose sum is σ = 98844092. Its totient is φ = 98844090.

The previous prime is 98844049. The next prime is 98844101. The reversal of 98844091 is 19044889.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 98844091 - 2⁷ = 98843963 is a prime.

It is not a weakly prime, because it can be changed into another prime (98844191) 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, 49422045 + 49422046.

It is an arithmetic number, because the mean of its divisors is an integer number (49422046).

Almost surely, 2^98844091 is an apocalyptic number.

98844091 is a deficient number, since it is larger than the sum of its proper divisors (1).

98844091 is an equidigital number, since it uses as much as digits as its factorization.

98844091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 98844091 is about 9942.0365619927. The cubic root of 98844091 is about 462.3635298355.

The spelling of 98844091 in words is "ninety-eight million, eight hundred forty-four thousand, ninety-one".