328805593 has 2 divisors, whose sum is σ = 328805594. Its totient is φ = 328805592.

The previous prime is 328805549. The next prime is 328805611. The reversal of 328805593 is 395508823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211906249 + 116899344 = 14557^2 + 10812^2 .

It is a cyclic number.

It is not a de Polignac number, because 328805593 - 2²¹ = 326708441 is a prime.

It is a super-2 number, since 2×328805593² = 216226235976163298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (328805513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164402796 + 164402797.

It is an arithmetic number, because the mean of its divisors is an integer number (164402797).

Almost surely, 2^328805593 is an apocalyptic number.

It is an amenable number.

328805593 is a deficient number, since it is larger than the sum of its proper divisors (1).

328805593 is an equidigital number, since it uses as much as digits as its factorization.

328805593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 328805593 is about 18132.9973528923. The cubic root of 328805593 is about 690.2075920923.

The spelling of 328805593 in words is "three hundred twenty-eight million, eight hundred five thousand, five hundred ninety-three".