328872576 has 128 divisors (see below), whose sum is σ = 911635200. Its totient is φ = 104951808.

The previous prime is 328872569. The next prime is 328872581. The reversal of 328872576 is 675278823.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1122286 + ... + 1122578.

It is an arithmetic number, because the mean of its divisors is an integer number (7122150).

Almost surely, 2^328872576 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 328872576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (455817600).

328872576 is an abundant number, since it is smaller than the sum of its proper divisors (582762624).

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

328872576 is a wasteful number, since it uses less digits than its factorization.

328872576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 414 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 48.

The square root of 328872576 is about 18134.8442507787. The cubic root of 328872576 is about 690.2544577145.

The spelling of 328872576 in words is "three hundred twenty-eight million, eight hundred seventy-two thousand, five hundred seventy-six".