328444064 has 36 divisors (see below), whose sum is σ = 700202286. Its totient is φ = 151587072.

The previous prime is 328444049. The next prime is 328444147. The reversal of 328444064 is 460444823.

It can be written as a sum of positive squares in 3 ways, for example, as 146410000 + 182034064 = 12100^2 + 13492^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24959 + ... + 35774.

Almost surely, 2^328444064 is an apocalyptic number.

It is an amenable number.

328444064 is an abundant number, since it is smaller than the sum of its proper divisors (371758222).

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

328444064 is a wasteful number, since it uses less digits than its factorization.

328444064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60769 (or 60748 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 35.

The square root of 328444064 is about 18123.0257959315. The cubic root of 328444064 is about 689.9545331659.

Adding to 328444064 its reverse (460444823), we get a palindrome (788888887).

The spelling of 328444064 in words is "three hundred twenty-eight million, four hundred forty-four thousand, sixty-four".