328893569 has 2 divisors, whose sum is σ = 328893570. Its totient is φ = 328893568.

The previous prime is 328893493. The next prime is 328893589. The reversal of 328893569 is 965398823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 295427344 + 33466225 = 17188^2 + 5785^2 .

It is a cyclic number.

It is not a de Polignac number, because 328893569 - 2²⁴ = 312116353 is a prime.

It is a super-2 number, since 2×328893569² = 216341959459115522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 328893569.

It is not a weakly prime, because it can be changed into another prime (328893589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164446784 + 164446785.

It is an arithmetic number, because the mean of its divisors is an integer number (164446785).

Almost surely, 2^328893569 is an apocalyptic number.

It is an amenable number.

328893569 is a deficient number, since it is larger than the sum of its proper divisors (1).

328893569 is an equidigital number, since it uses as much as digits as its factorization.

328893569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2799360, while the sum is 53.

The square root of 328893569 is about 18135.4230444178. The cubic root of 328893569 is about 690.2691444601.

The spelling of 328893569 in words is "three hundred twenty-eight million, eight hundred ninety-three thousand, five hundred sixty-nine".