328888320 has 208 divisors, whose sum is σ = 1082784672. Its totient is φ = 85196800.

The previous prime is 328888303. The next prime is 328888321. The reversal of 328888320 is 23888823.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328888321) 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, 3256270 + ... + 3256370.

Almost surely, 2^328888320 is an apocalyptic number.

328888320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328888320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (541392336).

328888320 is an abundant number, since it is smaller than the sum of its proper divisors (753896352).

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

328888320 is a wasteful number, since it uses less digits than its factorization.

328888320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 328888320 is about 18135.2783270619. The cubic root of 328888320 is about 690.2654723076.

The spelling of 328888320 in words is "three hundred twenty-eight million, eight hundred eighty-eight thousand, three hundred twenty".