328446791 has 2 divisors, whose sum is σ = 328446792. Its totient is φ = 328446790.

The previous prime is 328446773. The next prime is 328446799. The reversal of 328446791 is 197644823.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 328446791 - 2²⁶ = 261337927 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328446799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164223395 + 164223396.

It is an arithmetic number, because the mean of its divisors is an integer number (164223396).

Almost surely, 2^328446791 is an apocalyptic number.

328446791 is a deficient number, since it is larger than the sum of its proper divisors (1).

328446791 is an equidigital number, since it uses as much as digits as its factorization.

328446791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 44.

The square root of 328446791 is about 18123.1010315564. The cubic root of 328446791 is about 689.9564426751.

The spelling of 328446791 in words is "three hundred twenty-eight million, four hundred forty-six thousand, seven hundred ninety-one".