329684413 has 2 divisors, whose sum is σ = 329684414. Its totient is φ = 329684412.

The previous prime is 329684363. The next prime is 329684423. The reversal of 329684413 is 314486923.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220314649 + 109369764 = 14843^2 + 10458^2 .

It is an emirp because it is prime and its reverse (314486923) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-329684413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (329684423) 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, 164842206 + 164842207.

It is an arithmetic number, because the mean of its divisors is an integer number (164842207).

Almost surely, 2^329684413 is an apocalyptic number.

It is an amenable number.

329684413 is a deficient number, since it is larger than the sum of its proper divisors (1).

329684413 is an equidigital number, since it uses as much as digits as its factorization.

329684413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 40.

The square root of 329684413 is about 18157.2138005807. The cubic root of 329684413 is about 690.8219658999.

The spelling of 329684413 in words is "three hundred twenty-nine million, six hundred eighty-four thousand, four hundred thirteen".