328543146 has 96 divisors (see below), whose sum is σ = 772761600. Its totient is φ = 100638720.

The previous prime is 328543141. The next prime is 328543147. The reversal of 328543146 is 641345823.

328543146 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 328543146.

It is not an unprimeable number, because it can be changed into a prime (328543141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1278250 + ... + 1278506.

It is an arithmetic number, because the mean of its divisors is an integer number (8049600).

Almost surely, 2^328543146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328543146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (386380800).

328543146 is an abundant number, since it is smaller than the sum of its proper divisors (444218454).

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

328543146 is a wasteful number, since it uses less digits than its factorization.

328543146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 401 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 328543146 is about 18125.7591841004. The cubic root of 328543146 is about 690.0239059140.

Adding to 328543146 its reverse (641345823), we get a palindrome (969888969).

The spelling of 328543146 in words is "three hundred twenty-eight million, five hundred forty-three thousand, one hundred forty-six".