328340433 has 8 divisors (see below), whose sum is σ = 456821568. Its totient is φ = 209376464.

The previous prime is 328340377. The next prime is 328340461. The reversal of 328340433 is 334043823.

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 328340433 - 2¹⁰ = 328339409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 328340433.

It is not an unprimeable number, because it can be changed into a prime (328340473) 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, 2379210 + ... + 2379347.

It is an arithmetic number, because the mean of its divisors is an integer number (57102696).

Almost surely, 2^328340433 is an apocalyptic number.

It is an amenable number.

328340433 is a deficient number, since it is larger than the sum of its proper divisors (128481135).

328340433 is a wasteful number, since it uses less digits than its factorization.

328340433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4758583.

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 328340433 is about 18120.1664727452. The cubic root of 328340433 is about 689.8819604843.

The spelling of 328340433 in words is "three hundred twenty-eight million, three hundred forty thousand, four hundred thirty-three".