328566650 has 24 divisors (see below), whose sum is σ = 647084700. Its totient is φ = 123695360.

The previous prime is 328566643. The next prime is 328566673. The reversal of 328566650 is 56665823.

It can be written as a sum of positive squares in 6 ways, for example, as 67453369 + 261113281 = 8213^2 + 16159^2 .

It is a junction number, because it is equal to n+sod(n) for n = 328566598 and 328566607.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192425 + ... + 194124.

Almost surely, 2^328566650 is an apocalyptic number.

328566650 is a deficient number, since it is larger than the sum of its proper divisors (318518050).

328566650 is a wasteful number, since it uses less digits than its factorization.

328566650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386578 (or 386573 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 328566650 is about 18126.4075315546. The cubic root of 328566650 is about 690.0403603081.

The spelling of 328566650 in words is "three hundred twenty-eight million, five hundred sixty-six thousand, six hundred fifty".