328049329 has 2 divisors, whose sum is σ = 328049330. Its totient is φ = 328049328.

The previous prime is 328049327. The next prime is 328049333. The reversal of 328049329 is 923940823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220968225 + 107081104 = 14865^2 + 10348^2 .

It is a cyclic number.

It is not a de Polignac number, because 328049329 - 2¹ = 328049327 is a prime.

Together with 328049327, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 328049291 and 328049300.

It is not a weakly prime, because it can be changed into another prime (328049327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164024664 + 164024665.

It is an arithmetic number, because the mean of its divisors is an integer number (164024665).

Almost surely, 2^328049329 is an apocalyptic number.

It is an amenable number.

328049329 is a deficient number, since it is larger than the sum of its proper divisors (1).

328049329 is an equidigital number, since it uses as much as digits as its factorization.

328049329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 328049329 is about 18112.1320942621. The cubic root of 328049329 is about 689.6780189265.

The spelling of 328049329 in words is "three hundred twenty-eight million, forty-nine thousand, three hundred twenty-nine".