328444817 has 2 divisors, whose sum is σ = 328444818. Its totient is φ = 328444816.

The previous prime is 328444769. The next prime is 328444841. The reversal of 328444817 is 718444823.

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., 278756416 + 49688401 = 16696^2 + 7049^2 .

It is an emirp because it is prime and its reverse (718444823) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 328444817 - 2⁸ = 328444561 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (328444867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164222408 + 164222409.

It is an arithmetic number, because the mean of its divisors is an integer number (164222409).

Almost surely, 2^328444817 is an apocalyptic number.

It is an amenable number.

328444817 is a deficient number, since it is larger than the sum of its proper divisors (1).

328444817 is an equidigital number, since it uses as much as digits as its factorization.

328444817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172032, while the sum is 41.

The square root of 328444817 is about 18123.0465705962. The cubic root of 328444817 is about 689.9550604352.

The spelling of 328444817 in words is "three hundred twenty-eight million, four hundred forty-four thousand, eight hundred seventeen".