328694650 has 12 divisors (see below), whose sum is σ = 611372142. Its totient is φ = 131477840.

The previous prime is 328694629. The next prime is 328694651. The reversal of 328694650 is 56496823.

It can be written as a sum of positive squares in 3 ways, for example, as 138227049 + 190467601 = 11757^2 + 13801^2 .

It is a junction number, because it is equal to n+sod(n) for n = 328694597 and 328694606.

It is not an unprimeable number, because it can be changed into a prime (328694651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3286897 + ... + 3286996.

Almost surely, 2^328694650 is an apocalyptic number.

328694650 is a deficient number, since it is larger than the sum of its proper divisors (282677492).

328694650 is a wasteful number, since it uses less digits than its factorization.

328694650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6573905 (or 6573900 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 328694650 is about 18129.9379480460. The cubic root of 328694650 is about 690.1299552187.

The spelling of 328694650 in words is "three hundred twenty-eight million, six hundred ninety-four thousand, six hundred fifty".