299040197 has 2 divisors, whose sum is σ = 299040198. Its totient is φ = 299040196.

The previous prime is 299040191. The next prime is 299040241. The reversal of 299040197 is 791040992.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203176516 + 95863681 = 14254^2 + 9791^2 .

It is a cyclic number.

It is not a de Polignac number, because 299040197 - 2¹⁰ = 299039173 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (299040191) 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, 149520098 + 149520099.

It is an arithmetic number, because the mean of its divisors is an integer number (149520099).

Almost surely, 2^299040197 is an apocalyptic number.

It is an amenable number.

299040197 is a deficient number, since it is larger than the sum of its proper divisors (1).

299040197 is an equidigital number, since it uses as much as digits as its factorization.

299040197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 299040197 is about 17292.7787529940. The cubic root of 299040197 is about 668.7182720907.

The spelling of 299040197 in words is "two hundred ninety-nine million, forty thousand, one hundred ninety-seven".