328160449 has 8 divisors (see below), whose sum is σ = 329878440. Its totient is φ = 326447616.

The previous prime is 328160447. The next prime is 328160461. The reversal of 328160449 is 944061823.

It can be written as a sum of positive squares in 4 ways, for example, as 4700224 + 323460225 = 2168^2 + 17985^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 328160449 - 2¹ = 328160447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328160447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195787 + ... + 197455.

It is an arithmetic number, because the mean of its divisors is an integer number (41234805).

Almost surely, 2^328160449 is an apocalyptic number.

It is an amenable number.

328160449 is a deficient number, since it is larger than the sum of its proper divisors (1717991).

328160449 is a wasteful number, since it uses less digits than its factorization.

328160449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2579.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 328160449 is about 18115.1993916711. The cubic root of 328160449 is about 689.7558815763.

The spelling of 328160449 in words is "three hundred twenty-eight million, one hundred sixty thousand, four hundred forty-nine".