328243443 has 8 divisors (see below), whose sum is σ = 477445056. Its totient is φ = 198935400.

The previous prime is 328243439. The next prime is 328243451. The reversal of 328243443 is 344342823.

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

It is not a de Polignac number, because 328243443 - 2² = 328243439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 9946771 = 328243443 / (3 + 2 + 8 + 2 + 4 + 3 + 4 + 4 + 3).

It is not an unprimeable number, because it can be changed into a prime (328243423) 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, 4973353 + ... + 4973418.

It is an arithmetic number, because the mean of its divisors is an integer number (59680632).

Almost surely, 2^328243443 is an apocalyptic number.

328243443 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

328243443 is a deficient number, since it is larger than the sum of its proper divisors (149201613).

328243443 is a wasteful number, since it uses less digits than its factorization.

328243443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9946785.

The product of its digits is 55296, while the sum is 33.

The square root of 328243443 is about 18117.4899751594. The cubic root of 328243443 is about 689.8140246529.

The spelling of 328243443 in words is "three hundred twenty-eight million, two hundred forty-three thousand, four hundred forty-three".