328628158 has 4 divisors (see below), whose sum is σ = 492942240. Its totient is φ = 164314078.

The previous prime is 328628129. The next prime is 328628189. The reversal of 328628158 is 851826823.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 82157038 + ... + 82157041.

It is an arithmetic number, because the mean of its divisors is an integer number (123235560).

Almost surely, 2^328628158 is an apocalyptic number.

328628158 is a deficient number, since it is larger than the sum of its proper divisors (164314082).

328628158 is a wasteful number, since it uses less digits than its factorization.

328628158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164314081.

The product of its digits is 184320, while the sum is 43.

The square root of 328628158 is about 18128.1040928168. The cubic root of 328628158 is about 690.0834163661.

The spelling of 328628158 in words is "three hundred twenty-eight million, six hundred twenty-eight thousand, one hundred fifty-eight".