328298161 has 3 divisors (see below), whose sum is σ = 328316281. Its totient is φ = 328280042.

The previous prime is 328298143. The next prime is 328298189. The reversal of 328298161 is 161892823.

The square root of 328298161 is 18119.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 161892823 = 1021 ⋅158563.

It is not a de Polignac number, because 328298161 - 2⁵ = 328298129 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328298141) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 9060 + ... + 27178.

Almost surely, 2^328298161 is an apocalyptic number.

328298161 is the 18119-th square number.

328298161 is the 9060-th centered octagonal number.

It is an amenable number.

328298161 is a deficient number, since it is larger than the sum of its proper divisors (18120).

328298161 is an frugal number, since it uses more digits than its factorization.

328298161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36238 (or 18119 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The cubic root of 328298161 is about 689.8523530617.

The spelling of 328298161 in words is "three hundred twenty-eight million, two hundred ninety-eight thousand, one hundred sixty-one".