328326403 has 8 divisors (see below), whose sum is σ = 360633600. Its totient is φ = 297521928.

The previous prime is 328326379. The next prime is 328326409. The reversal of 328326403 is 304623823.

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

It is not a de Polignac number, because 328326403 - 2¹⁷ = 328195331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328326409) 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, 375223 + ... + 376096.

It is an arithmetic number, because the mean of its divisors is an integer number (45079200).

Almost surely, 2^328326403 is an apocalyptic number.

328326403 is a deficient number, since it is larger than the sum of its proper divisors (32307197).

328326403 is a wasteful number, since it uses less digits than its factorization.

328326403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751361.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 328326403 is about 18119.7793308859. The cubic root of 328326403 is about 689.8721341163.

The spelling of 328326403 in words is "three hundred twenty-eight million, three hundred twenty-six thousand, four hundred three".