328431359 has 4 divisors (see below), whose sum is σ = 345717240. Its totient is φ = 311145480.

The previous prime is 328431353. The next prime is 328431371. The reversal of 328431359 is 953134823.

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

It is a cyclic number.

It is not a de Polignac number, because 328431359 - 2⁴ = 328431343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328431353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8642912 + ... + 8642949.

It is an arithmetic number, because the mean of its divisors is an integer number (86429310).

Almost surely, 2^328431359 is an apocalyptic number.

328431359 is a deficient number, since it is larger than the sum of its proper divisors (17285881).

328431359 is a wasteful number, since it uses less digits than its factorization.

328431359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17285880.

The product of its digits is 77760, while the sum is 38.

The square root of 328431359 is about 18122.6752716038. The cubic root of 328431359 is about 689.9456366888.

It can be divided in two parts, 3284 and 31359, that added together give a palindrome (34643).

The spelling of 328431359 in words is "three hundred twenty-eight million, four hundred thirty-one thousand, three hundred fifty-nine".