328397 has 2 divisors, whose sum is σ = 328398. Its totient is φ = 328396.

The previous prime is 328381. The next prime is 328411. The reversal of 328397 is 793823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 256036 + 72361 = 506^2 + 269^2 .

It is a cyclic number.

It is not a de Polignac number, because 328397 - 2⁴ = 328381 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 (328327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164198 + 164199.

It is an arithmetic number, because the mean of its divisors is an integer number (164199).

2³²⁸³⁹⁷ is an apocalyptic number.

It is an amenable number.

328397 is a deficient number, since it is larger than the sum of its proper divisors (1).

328397 is an equidigital number, since it uses as much as digits as its factorization.

328397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 32.

The square root of 328397 is about 573.0593337518. The cubic root of 328397 is about 68.9921576188.

The spelling of 328397 in words is "three hundred twenty-eight thousand, three hundred ninety-seven".