327646997 has 2 divisors, whose sum is σ = 327646998. Its totient is φ = 327646996.

The previous prime is 327646993. The next prime is 327647009. The reversal of 327646997 is 799646723.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197093521 + 130553476 = 14039^2 + 11426^2 .

It is an emirp because it is prime and its reverse (799646723) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 327646997 - 2² = 327646993 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 (327646993) 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, 163823498 + 163823499.

It is an arithmetic number, because the mean of its divisors is an integer number (163823499).

Almost surely, 2^327646997 is an apocalyptic number.

It is an amenable number.

327646997 is a deficient number, since it is larger than the sum of its proper divisors (1).

327646997 is an equidigital number, since it uses as much as digits as its factorization.

327646997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3429216, while the sum is 53.

The square root of 327646997 is about 18101.0219877221. The cubic root of 327646997 is about 689.3959545878.

The spelling of 327646997 in words is "three hundred twenty-seven million, six hundred forty-six thousand, nine hundred ninety-seven".