328605028 has 6 divisors (see below), whose sum is σ = 575058806. Its totient is φ = 164302512.

The previous prime is 328604989. The next prime is 328605031. The reversal of 328605028 is 820506823.

It can be written as a sum of positive squares in only one way, i.e., 312299584 + 16305444 = 17672^2 + 4038^2 .

It is a junction number, because it is equal to n+sod(n) for n = 328604984 and 328605002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41075625 + ... + 41075632.

Almost surely, 2^328605028 is an apocalyptic number.

It is an amenable number.

328605028 is a deficient number, since it is larger than the sum of its proper divisors (246453778).

328605028 is a wasteful number, since it uses less digits than its factorization.

328605028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82151261 (or 82151259 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 328605028 is about 18127.4661218826. The cubic root of 328605028 is about 690.0672258242.

The spelling of 328605028 in words is "three hundred twenty-eight million, six hundred five thousand, twenty-eight".