328290029 has 2 divisors, whose sum is σ = 328290030. Its totient is φ = 328290028.

The previous prime is 328290007. The next prime is 328290071. The reversal of 328290029 is 920092823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 313644100 + 14645929 = 17710^2 + 3827^2 .

It is a cyclic number.

It is not a de Polignac number, because 328290029 - 2²⁴ = 311512813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328290089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164145014 + 164145015.

It is an arithmetic number, because the mean of its divisors is an integer number (164145015).

Almost surely, 2^328290029 is an apocalyptic number.

It is an amenable number.

328290029 is a deficient number, since it is larger than the sum of its proper divisors (1).

328290029 is an equidigital number, since it uses as much as digits as its factorization.

328290029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 328290029 is about 18118.7755932900. The cubic root of 328290029 is about 689.8466570955.

The spelling of 328290029 in words is "three hundred twenty-eight million, two hundred ninety thousand, twenty-nine".