328859091 has 24 divisors (see below), whose sum is σ = 519792624. Its totient is φ = 198696960.

The previous prime is 328859059. The next prime is 328859093. The reversal of 328859091 is 190958823.

It is a happy number.

It is not a de Polignac number, because 328859091 - 2⁵ = 328859059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (328859093) 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 23 ways as a sum of consecutive naturals, for example, 28435 + ... + 38291.

It is an arithmetic number, because the mean of its divisors is an integer number (21658026).

Almost surely, 2^328859091 is an apocalyptic number.

328859091 is a deficient number, since it is larger than the sum of its proper divisors (190933533).

328859091 is a wasteful number, since it uses less digits than its factorization.

328859091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10211 (or 10208 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 328859091 is about 18134.4724489024. The cubic root of 328859091 is about 690.2450232514.

The spelling of 328859091 in words is "three hundred twenty-eight million, eight hundred fifty-nine thousand, ninety-one".