328530379 has 2 divisors, whose sum is σ = 328530380. Its totient is φ = 328530378.

The previous prime is 328530373. The next prime is 328530401. The reversal of 328530379 is 973035823.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 328530379 - 2¹¹ = 328528331 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (328530373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164265189 + 164265190.

It is an arithmetic number, because the mean of its divisors is an integer number (164265190).

Almost surely, 2^328530379 is an apocalyptic number.

328530379 is a deficient number, since it is larger than the sum of its proper divisors (1).

328530379 is an equidigital number, since it uses as much as digits as its factorization.

328530379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 328530379 is about 18125.4070023269. The cubic root of 328530379 is about 690.0149678193.

The spelling of 328530379 in words is "three hundred twenty-eight million, five hundred thirty thousand, three hundred seventy-nine".