328769629 has 2 divisors, whose sum is σ = 328769630. Its totient is φ = 328769628.

The previous prime is 328769627. The next prime is 328769657. The reversal of 328769629 is 926967823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195944004 + 132825625 = 13998^2 + 11525^2 .

It is a cyclic number.

It is not a de Polignac number, because 328769629 - 2¹ = 328769627 is a prime.

Together with 328769627, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328769621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164384814 + 164384815.

It is an arithmetic number, because the mean of its divisors is an integer number (164384815).

Almost surely, 2^328769629 is an apocalyptic number.

It is an amenable number.

328769629 is a deficient number, since it is larger than the sum of its proper divisors (1).

328769629 is an equidigital number, since it uses as much as digits as its factorization.

328769629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 52.

The square root of 328769629 is about 18132.0056529883. The cubic root of 328769629 is about 690.1824267348.

The spelling of 328769629 in words is "three hundred twenty-eight million, seven hundred sixty-nine thousand, six hundred twenty-nine".