328440203 has 16 divisors (see below), whose sum is σ = 405241536. Its totient is φ = 259217280.

The previous prime is 328440199. The next prime is 328440227. The reversal of 328440203 is 302044823.

It is not a de Polignac number, because 328440203 - 2² = 328440199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (328440293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34025 + ... + 42597.

It is an arithmetic number, because the mean of its divisors is an integer number (25327596).

Almost surely, 2^328440203 is an apocalyptic number.

328440203 is a deficient number, since it is larger than the sum of its proper divisors (76801333).

328440203 is a wasteful number, since it uses less digits than its factorization.

328440203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9014.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 328440203 is about 18122.9192736711. The cubic root of 328440203 is about 689.9518295855.

The spelling of 328440203 in words is "three hundred twenty-eight million, four hundred forty thousand, two hundred three".