330834397 has 2 divisors, whose sum is σ = 330834398. Its totient is φ = 330834396.

The previous prime is 330834373. The next prime is 330834443. The reversal of 330834397 is 793438033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237344836 + 93489561 = 15406^2 + 9669^2 .

It is an emirp because it is prime and its reverse (793438033) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 330834397 - 2¹⁵ = 330801629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (330834337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165417198 + 165417199.

It is an arithmetic number, because the mean of its divisors is an integer number (165417199).

Almost surely, 2^330834397 is an apocalyptic number.

It is an amenable number.

330834397 is a deficient number, since it is larger than the sum of its proper divisors (1).

330834397 is an equidigital number, since it uses as much as digits as its factorization.

330834397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 40.

The square root of 330834397 is about 18188.8536472203. The cubic root of 330834397 is about 691.6242607249.

The spelling of 330834397 in words is "three hundred thirty million, eight hundred thirty-four thousand, three hundred ninety-seven".