329939189 has 2 divisors, whose sum is σ = 329939190. Its totient is φ = 329939188.

The previous prime is 329939153. The next prime is 329939219. The reversal of 329939189 is 981939923.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 290123089 + 39816100 = 17033^2 + 6310^2 .

It is a cyclic number.

It is not a de Polignac number, because 329939189 - 2²⁸ = 61503733 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 329939189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (329339189) 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, 164969594 + 164969595.

It is an arithmetic number, because the mean of its divisors is an integer number (164969595).

Almost surely, 2^329939189 is an apocalyptic number.

It is an amenable number.

329939189 is a deficient number, since it is larger than the sum of its proper divisors (1).

329939189 is an equidigital number, since it uses as much as digits as its factorization.

329939189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 944784, while the sum is 53.

The square root of 329939189 is about 18164.2282797811. The cubic root of 329939189 is about 690.9998729443. Note that the first 3 decimals are identical.

The spelling of 329939189 in words is "three hundred twenty-nine million, nine hundred thirty-nine thousand, one hundred eighty-nine".