328994472 has 64 divisors (see below), whose sum is σ = 885211200. Its totient is φ = 101514240.

The previous prime is 328994467. The next prime is 328994503. The reversal of 328994472 is 274499823.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 18279 + ... + 31497.

It is an arithmetic number, because the mean of its divisors is an integer number (13831425).

Almost surely, 2^328994472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328994472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (442605600).

328994472 is an abundant number, since it is smaller than the sum of its proper divisors (556216728).

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

328994472 is a wasteful number, since it uses less digits than its factorization.

328994472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13306 (or 13302 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The square root of 328994472 is about 18138.2047623242. The cubic root of 328994472 is about 690.3397276846.

The spelling of 328994472 in words is "three hundred twenty-eight million, nine hundred ninety-four thousand, four hundred seventy-two".