328203228 has 24 divisors (see below), whose sum is σ = 771401232. Its totient is φ = 108601984.

The previous prime is 328203203. The next prime is 328203229. The reversal of 328203228 is 822302823.

It is a junction number, because it is equal to n+sod(n) for n = 328203195 and 328203204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328203229) 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, 98175 + ... + 101462.

It is an arithmetic number, because the mean of its divisors is an integer number (32141718).

Almost surely, 2^328203228 is an apocalyptic number.

It is an amenable number.

328203228 is an abundant number, since it is smaller than the sum of its proper divisors (443198004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

328203228 is a wasteful number, since it uses less digits than its factorization.

328203228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199781 (or 199779 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 328203228 is about 18116.3801019961. The cubic root of 328203228 is about 689.7858524689.

The spelling of 328203228 in words is "three hundred twenty-eight million, two hundred three thousand, two hundred twenty-eight".