328132447 has 2 divisors, whose sum is σ = 328132448. Its totient is φ = 328132446.

The previous prime is 328132439. The next prime is 328132501. The reversal of 328132447 is 744231823.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 328132447 - 2³ = 328132439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328132417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164066223 + 164066224.

It is an arithmetic number, because the mean of its divisors is an integer number (164066224).

Almost surely, 2^328132447 is an apocalyptic number.

328132447 is a deficient number, since it is larger than the sum of its proper divisors (1).

328132447 is an equidigital number, since it uses as much as digits as its factorization.

328132447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 34.

The square root of 328132447 is about 18114.4264882993. The cubic root of 328132447 is about 689.7362620135.

The spelling of 328132447 in words is "three hundred twenty-eight million, one hundred thirty-two thousand, four hundred forty-seven".