327994657 has 2 divisors, whose sum is σ = 327994658. Its totient is φ = 327994656.

The previous prime is 327994643. The next prime is 327994673. The reversal of 327994657 is 756499723.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 311028496 + 16966161 = 17636^2 + 4119^2 .

It is a cyclic number.

It is not a de Polignac number, because 327994657 - 2¹⁵ = 327961889 is a prime.

It is not a weakly prime, because it can be changed into another prime (327994627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163997328 + 163997329.

It is an arithmetic number, because the mean of its divisors is an integer number (163997329).

Almost surely, 2^327994657 is an apocalyptic number.

It is an amenable number.

327994657 is a deficient number, since it is larger than the sum of its proper divisors (1).

327994657 is an equidigital number, since it uses as much as digits as its factorization.

327994657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2857680, while the sum is 52.

The square root of 327994657 is about 18110.6227667632. The cubic root of 327994657 is about 689.6397033764.

The spelling of 327994657 in words is "three hundred twenty-seven million, nine hundred ninety-four thousand, six hundred fifty-seven".