328436243 has 8 divisors (see below), whose sum is σ = 348630480. Its totient is φ = 308339200.

The previous prime is 328436239. The next prime is 328436287. The reversal of 328436243 is 342634823.

It is a happy number.

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

It is not a de Polignac number, because 328436243 - 2² = 328436239 is a prime.

It is a super-6 number, since 6×328436243⁶ (a number of 52 digits) contains 666666 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328436443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17273 + ... + 30906.

It is an arithmetic number, because the mean of its divisors is an integer number (43578810).

Almost surely, 2^328436243 is an apocalyptic number.

328436243 is a deficient number, since it is larger than the sum of its proper divisors (20194237).

328436243 is a wasteful number, since it uses less digits than its factorization.

328436243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48597.

The product of its digits is 82944, while the sum is 35.

The square root of 328436243 is about 18122.8100194203. The cubic root of 328436243 is about 689.9490566604.

The spelling of 328436243 in words is "three hundred twenty-eight million, four hundred thirty-six thousand, two hundred forty-three".