328170528 has 144 divisors (see below), whose sum is σ = 1106239680. Its totient is φ = 93747456.

The previous prime is 328170473. The next prime is 328170529. The reversal of 328170528 is 825071823.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 328170492 and 328170501.

It is not an unprimeable number, because it can be changed into a prime (328170529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51418 + ... + 57446.

It is an arithmetic number, because the mean of its divisors is an integer number (7682220).

Almost surely, 2^328170528 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 328170528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (553119840).

328170528 is an abundant number, since it is smaller than the sum of its proper divisors (778069152).

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

328170528 is an equidigital number, since it uses as much as digits as its factorization.

328170528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6061 (or 6041 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 328170528 is about 18115.4775813391. The cubic root of 328170528 is about 689.7629431406.

The spelling of 328170528 in words is "three hundred twenty-eight million, one hundred seventy thousand, five hundred twenty-eight".