328673297 has 2 divisors, whose sum is σ = 328673298. Its totient is φ = 328673296.

The previous prime is 328673287. The next prime is 328673311. The reversal of 328673297 is 792376823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207475216 + 121198081 = 14404^2 + 11009^2 .

It is a cyclic number.

It is not a de Polignac number, because 328673297 - 2²² = 324478993 is a prime.

It is a super-2 number, since 2×328673297² = 216052272321700418, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (328673287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164336648 + 164336649.

It is an arithmetic number, because the mean of its divisors is an integer number (164336649).

Almost surely, 2^328673297 is an apocalyptic number.

It is an amenable number.

328673297 is a deficient number, since it is larger than the sum of its proper divisors (1).

328673297 is an equidigital number, since it uses as much as digits as its factorization.

328673297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 47.

The square root of 328673297 is about 18129.3490506416. The cubic root of 328673297 is about 690.1150105844.

The spelling of 328673297 in words is "three hundred twenty-eight million, six hundred seventy-three thousand, two hundred ninety-seven".