328229329 has 2 divisors, whose sum is σ = 328229330. Its totient is φ = 328229328.

The previous prime is 328229323. The next prime is 328229339. The reversal of 328229329 is 923922823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 321843600 + 6385729 = 17940^2 + 2527^2 .

It is a cyclic number.

It is not a de Polignac number, because 328229329 - 2¹¹ = 328227281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 328229291 and 328229300.

It is not a weakly prime, because it can be changed into another prime (328229323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164114664 + 164114665.

It is an arithmetic number, because the mean of its divisors is an integer number (164114665).

Almost surely, 2^328229329 is an apocalyptic number.

It is an amenable number.

328229329 is a deficient number, since it is larger than the sum of its proper divisors (1).

328229329 is an equidigital number, since it uses as much as digits as its factorization.

328229329 is an evil number, because the sum of its binary digits is even.

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

The square root of 328229329 is about 18117.1004578547. The cubic root of 328229329 is about 689.8041375047.

The spelling of 328229329 in words is "three hundred twenty-eight million, two hundred twenty-nine thousand, three hundred twenty-nine".