328244447 has 8 divisors (see below), whose sum is σ = 333157440. Its totient is φ = 323350560.

The previous prime is 328244443. The next prime is 328244479. The reversal of 328244447 is 744442823.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 328244447 - 2² = 328244443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 328244447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328244443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31913 + ... + 40925.

It is an arithmetic number, because the mean of its divisors is an integer number (41644680).

Almost surely, 2^328244447 is an apocalyptic number.

328244447 is a deficient number, since it is larger than the sum of its proper divisors (4912993).

328244447 is an equidigital number, since it uses as much as digits as its factorization.

328244447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9553.

The product of its digits is 172032, while the sum is 38.

The square root of 328244447 is about 18117.5176831706. The cubic root of 328244447 is about 689.8147279648.

The spelling of 328244447 in words is "three hundred twenty-eight million, two hundred forty-four thousand, four hundred forty-seven".