99097189 has 2 divisors, whose sum is σ = 99097190. Its totient is φ = 99097188.

The previous prime is 99097181. The next prime is 99097247. The reversal of 99097189 is 98179099.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54140164 + 44957025 = 7358^2 + 6705^2 .

It is a cyclic number.

It is not a de Polignac number, because 99097189 - 2³ = 99097181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99097181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49548594 + 49548595.

It is an arithmetic number, because the mean of its divisors is an integer number (49548595).

Almost surely, 2^99097189 is an apocalyptic number.

It is an amenable number.

99097189 is a deficient number, since it is larger than the sum of its proper divisors (1).

99097189 is an equidigital number, since it uses as much as digits as its factorization.

99097189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 52.

The square root of 99097189 is about 9954.7571040182. The cubic root of 99097189 is about 462.7578327655.

The spelling of 99097189 in words is "ninety-nine million, ninety-seven thousand, one hundred eighty-nine".