99906193 has 2 divisors, whose sum is σ = 99906194. Its totient is φ = 99906192.

The previous prime is 99906167. The next prime is 99906197. The reversal of 99906193 is 39160999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50794129 + 49112064 = 7127^2 + 7008^2 .

It is a cyclic number.

It is not a de Polignac number, because 99906193 - 2⁹ = 99905681 is a prime.

It is not a weakly prime, because it can be changed into another prime (99906197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49953096 + 49953097.

It is an arithmetic number, because the mean of its divisors is an integer number (49953097).

Almost surely, 2^99906193 is an apocalyptic number.

It is an amenable number.

99906193 is a deficient number, since it is larger than the sum of its proper divisors (1).

99906193 is an equidigital number, since it uses as much as digits as its factorization.

99906193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 118098, while the sum is 46.

The square root of 99906193 is about 9995.3085495146. The cubic root of 99906193 is about 464.0137001132.

The spelling of 99906193 in words is "ninety-nine million, nine hundred six thousand, one hundred ninety-three".