328066469 has 2 divisors, whose sum is σ = 328066470. Its totient is φ = 328066468.

The previous prime is 328066441. The next prime is 328066477. The reversal of 328066469 is 964660823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 311946244 + 16120225 = 17662^2 + 4015^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328066469 is a prime.

It is a super-2 number, since 2×328066469² = 215255216164255922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328066429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164033234 + 164033235.

It is an arithmetic number, because the mean of its divisors is an integer number (164033235).

Almost surely, 2^328066469 is an apocalyptic number.

It is an amenable number.

328066469 is a deficient number, since it is larger than the sum of its proper divisors (1).

328066469 is an equidigital number, since it uses as much as digits as its factorization.

328066469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 44.

The square root of 328066469 is about 18112.6052515921. The cubic root of 328066469 is about 689.6900302048.

The spelling of 328066469 in words is "three hundred twenty-eight million, sixty-six thousand, four hundred sixty-nine".