328968917 has 2 divisors, whose sum is σ = 328968918. Its totient is φ = 328968916.

The previous prime is 328968911. The next prime is 328968943. The reversal of 328968917 is 719869823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 278189041 + 50779876 = 16679^2 + 7126^2 .

It is a cyclic number.

It is not a de Polignac number, because 328968917 - 2⁴ = 328968901 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 (328968911) 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, 164484458 + 164484459.

It is an arithmetic number, because the mean of its divisors is an integer number (164484459).

Almost surely, 2^328968917 is an apocalyptic number.

It is an amenable number.

328968917 is a deficient number, since it is larger than the sum of its proper divisors (1).

328968917 is an equidigital number, since it uses as much as digits as its factorization.

328968917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 53.

The square root of 328968917 is about 18137.5002963473. The cubic root of 328968917 is about 690.3218529278.

The spelling of 328968917 in words is "three hundred twenty-eight million, nine hundred sixty-eight thousand, nine hundred seventeen".