328442544 has 120 divisors (see below), whose sum is σ = 944470800. Its totient is φ = 106513920.

The previous prime is 328442519. The next prime is 328442581. The reversal of 328442544 is 445244823.

328442544 is a `hidden beast` number, since 32 + 84 + 4 + 2 + 544 = 666.

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 = 328442499 and 328442508.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1220842 + ... + 1221110.

It is an arithmetic number, because the mean of its divisors is an integer number (7870590).

Almost surely, 2^328442544 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 328442544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (472235400).

328442544 is an abundant number, since it is smaller than the sum of its proper divisors (616028256).

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

328442544 is a wasteful number, since it uses less digits than its factorization.

328442544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483 (or 474 counting only the distinct ones).

The product of its digits is 122880, while the sum is 36.

The square root of 328442544 is about 18122.9838602808. The cubic root of 328442544 is about 689.9534688218.

The spelling of 328442544 in words is "three hundred twenty-eight million, four hundred forty-two thousand, five hundred forty-four".