328848389 has 4 divisors (see below), whose sum is σ = 329009856. Its totient is φ = 328686924.

The previous prime is 328848347. The next prime is 328848397. The reversal of 328848389 is 983848823.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 328848389 - 2¹² = 328844293 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 328848389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328848889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77639 + ... + 81764.

It is an arithmetic number, because the mean of its divisors is an integer number (82252464).

Almost surely, 2^328848389 is an apocalyptic number.

It is an amenable number.

328848389 is a deficient number, since it is larger than the sum of its proper divisors (161467).

328848389 is a wasteful number, since it uses less digits than its factorization.

328848389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161466.

The product of its digits is 2654208, while the sum is 53.

The square root of 328848389 is about 18134.1773731261. The cubic root of 328848389 is about 690.2375356652.

The spelling of 328848389 in words is "three hundred twenty-eight million, eight hundred forty-eight thousand, three hundred eighty-nine".