328530794 has 4 divisors (see below), whose sum is σ = 492796194. Its totient is φ = 164265396.

The previous prime is 328530791. The next prime is 328530817. The reversal of 328530794 is 497035823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 497035823 = 11597 ⋅42859.

It can be written as a sum of positive squares in only one way, i.e., 309302569 + 19228225 = 17587^2 + 4385^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (328530791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82132697 + ... + 82132700.

Almost surely, 2^328530794 is an apocalyptic number.

328530794 is a deficient number, since it is larger than the sum of its proper divisors (164265400).

328530794 is a wasteful number, since it uses less digits than its factorization.

328530794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164265399.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 328530794 is about 18125.4184503420. The cubic root of 328530794 is about 690.0152583617.

The spelling of 328530794 in words is "three hundred twenty-eight million, five hundred thirty thousand, seven hundred ninety-four".