329705941 has 2 divisors, whose sum is σ = 329705942. Its totient is φ = 329705940.

The previous prime is 329705921. The next prime is 329705977. The reversal of 329705941 is 149507923.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 165225316 + 164480625 = 12854^2 + 12825^2 .

It is a cyclic number.

It is not a de Polignac number, because 329705941 - 2¹³ = 329697749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 329705894 and 329705903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (329705911) 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, 164852970 + 164852971.

It is an arithmetic number, because the mean of its divisors is an integer number (164852971).

Almost surely, 2^329705941 is an apocalyptic number.

It is an amenable number.

329705941 is a deficient number, since it is larger than the sum of its proper divisors (1).

329705941 is an equidigital number, since it uses as much as digits as its factorization.

329705941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 329705941 is about 18157.8066131347. The cubic root of 329705941 is about 690.8370021902.

The spelling of 329705941 in words is "three hundred twenty-nine million, seven hundred five thousand, nine hundred forty-one".