328297847 has 4 divisors (see below), whose sum is σ = 334492200. Its totient is φ = 322103496.

The previous prime is 328297831. The next prime is 328297861. The reversal of 328297847 is 748792823.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 328297847 - 2⁴ = 328297831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 328297795 and 328297804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328297807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3097097 + ... + 3097202.

It is an arithmetic number, because the mean of its divisors is an integer number (83623050).

Almost surely, 2^328297847 is an apocalyptic number.

328297847 is a deficient number, since it is larger than the sum of its proper divisors (6194353).

328297847 is an equidigital number, since it uses as much as digits as its factorization.

328297847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6194352.

The product of its digits is 1354752, while the sum is 50.

The square root of 328297847 is about 18118.9913350606. The cubic root of 328297847 is about 689.8521331257.

The spelling of 328297847 in words is "three hundred twenty-eight million, two hundred ninety-seven thousand, eight hundred forty-seven".