328769593 has 2 divisors, whose sum is σ = 328769594. Its totient is φ = 328769592.

The previous prime is 328769587. The next prime is 328769621. The reversal of 328769593 is 395967823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 328769424 + 169 = 18132^2 + 13^2 .

It is a cyclic number.

It is not a de Polignac number, because 328769593 - 2⁹ = 328769081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 328769593.

It is not a weakly prime, because it can be changed into another prime (328761593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164384796 + 164384797.

It is an arithmetic number, because the mean of its divisors is an integer number (164384797).

Almost surely, 2^328769593 is an apocalyptic number.

It is an amenable number.

328769593 is a deficient number, since it is larger than the sum of its proper divisors (1).

328769593 is an equidigital number, since it uses as much as digits as its factorization.

328769593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 52.

The square root of 328769593 is about 18132.0046602685. The cubic root of 328769593 is about 690.1824015433.

The spelling of 328769593 in words is "three hundred twenty-eight million, seven hundred sixty-nine thousand, five hundred ninety-three".