327881 has 2 divisors, whose sum is σ = 327882. Its totient is φ = 327880.

The previous prime is 327871. The next prime is 327889. The reversal of 327881 is 188723.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211600 + 116281 = 460^2 + 341^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-327881 is a prime.

It is a super-2 number, since 2×327881² = 215011900322, which contains 22 as substring.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 327881.

It is not a weakly prime, because it can be changed into another prime (327889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163940 + 163941.

It is an arithmetic number, because the mean of its divisors is an integer number (163941).

2³²⁷⁸⁸¹ is an apocalyptic number.

It is an amenable number.

327881 is a deficient number, since it is larger than the sum of its proper divisors (1).

327881 is an equidigital number, since it uses as much as digits as its factorization.

327881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 29.

The square root of 327881 is about 572.6089415998. The cubic root of 327881 is about 68.9560035986.

The spelling of 327881 in words is "three hundred twenty-seven thousand, eight hundred eighty-one".