328344215 has 16 divisors (see below), whose sum is σ = 397949376. Its totient is φ = 260064000.

The previous prime is 328344197. The next prime is 328344221. The reversal of 328344215 is 512443823.

It is not a de Polignac number, because 328344215 - 2²² = 324149911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 317339 + ... + 318371.

It is an arithmetic number, because the mean of its divisors is an integer number (24871836).

Almost surely, 2^328344215 is an apocalyptic number.

328344215 is a deficient number, since it is larger than the sum of its proper divisors (69605161).

328344215 is a wasteful number, since it uses less digits than its factorization.

328344215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610.

The product of its digits is 23040, while the sum is 32.

The square root of 328344215 is about 18120.2708313093. The cubic root of 328344215 is about 689.8846092834.

The spelling of 328344215 in words is "three hundred twenty-eight million, three hundred forty-four thousand, two hundred fifteen".