328528224 has 84 divisors (see below), whose sum is σ = 969810156. Its totient is φ = 109501632.

The previous prime is 328528223. The next prime is 328528229. The reversal of 328528224 is 422825823.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328528223) by changing a digit.

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 13 ways as a sum of consecutive naturals, for example, 16287 + ... + 30369.

It is an arithmetic number, because the mean of its divisors is an integer number (11545359).

Almost surely, 2^328528224 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 328528224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (484905078).

328528224 is an abundant number, since it is smaller than the sum of its proper divisors (641281932).

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

328528224 is an equidigital number, since it uses as much as digits as its factorization.

328528224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14111 (or 14088 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 328528224 is about 18125.3475552884. The cubic root of 328528224 is about 690.0134590947.

The spelling of 328528224 in words is "three hundred twenty-eight million, five hundred twenty-eight thousand, two hundred twenty-four".