328901 has 2 divisors, whose sum is σ = 328902. Its totient is φ = 328900.

The previous prime is 328897. The next prime is 328919. The reversal of 328901 is 109823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168100 + 160801 = 410^2 + 401^2 .

It is a cyclic number.

It is not a de Polignac number, because 328901 - 2² = 328897 is a prime.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 328901.

It is not a weakly prime, because it can be changed into another prime (328921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164450 + 164451.

It is an arithmetic number, because the mean of its divisors is an integer number (164451).

2³²⁸⁹⁰¹ is an apocalyptic number.

It is an amenable number.

328901 is a deficient number, since it is larger than the sum of its proper divisors (1).

328901 is an equidigital number, since it uses as much as digits as its factorization.

328901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 328901 is about 573.4989101995. The cubic root of 328901 is about 69.0274343053.

The spelling of 328901 in words is "three hundred twenty-eight thousand, nine hundred one".