328522572 has 72 divisors (see below), whose sum is σ = 953412096. Its totient is φ = 93433824.

The previous prime is 328522511. The next prime is 328522573. The reversal of 328522572 is 275225823.

It is a happy number.

328522572 is a `hidden beast` number, since 3 + 2 + 85 + 2 + 2 + 572 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (328522573) 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, 54333 + ... + 60075.

Almost surely, 2^328522572 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 328522572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (476706048).

328522572 is an abundant number, since it is smaller than the sum of its proper divisors (624889524).

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

328522572 is a wasteful number, since it uses less digits than its factorization.

328522572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5987 (or 5982 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 328522572 is about 18125.1916403662. The cubic root of 328522572 is about 690.0095020746.

The spelling of 328522572 in words is "three hundred twenty-eight million, five hundred twenty-two thousand, five hundred seventy-two".