328442269 has 2 divisors, whose sum is σ = 328442270. Its totient is φ = 328442268.

The previous prime is 328442249. The next prime is 328442281. The reversal of 328442269 is 962244823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 318444025 + 9998244 = 17845^2 + 3162^2 .

It is a cyclic number.

It is not a de Polignac number, because 328442269 - 2¹⁷ = 328311197 is a prime.

It is a super-2 number, since 2×328442269² = 215748648131736722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328442209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164221134 + 164221135.

It is an arithmetic number, because the mean of its divisors is an integer number (164221135).

Almost surely, 2^328442269 is an apocalyptic number.

It is an amenable number.

328442269 is a deficient number, since it is larger than the sum of its proper divisors (1).

328442269 is an equidigital number, since it uses as much as digits as its factorization.

328442269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 40.

The square root of 328442269 is about 18122.9762732284. The cubic root of 328442269 is about 689.9532762592.

The spelling of 328442269 in words is "three hundred twenty-eight million, four hundred forty-two thousand, two hundred sixty-nine".