330199897 has 2 divisors, whose sum is σ = 330199898. Its totient is φ = 330199896.

The previous prime is 330199889. The next prime is 330199939. The reversal of 330199897 is 798991033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 297355536 + 32844361 = 17244^2 + 5731^2 .

It is a cyclic number.

It is not a de Polignac number, because 330199897 - 2³ = 330199889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 330199897.

It is not a weakly prime, because it can be changed into another prime (330199847) 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, 165099948 + 165099949.

It is an arithmetic number, because the mean of its divisors is an integer number (165099949).

Almost surely, 2^330199897 is an apocalyptic number.

It is an amenable number.

330199897 is a deficient number, since it is larger than the sum of its proper divisors (1).

330199897 is an equidigital number, since it uses as much as digits as its factorization.

330199897 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 49.

The square root of 330199897 is about 18171.4032754766. The cubic root of 330199897 is about 691.1818274501.

The spelling of 330199897 in words is "three hundred thirty million, one hundred ninety-nine thousand, eight hundred ninety-seven".