328241 has 4 divisors (see below), whose sum is σ = 333684. Its totient is φ = 322800.

The previous prime is 328213. The next prime is 328243. The reversal of 328241 is 142823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 142823 = 19 ⋅7517.

It can be written as a sum of positive squares in 2 ways, for example, as 48400 + 279841 = 220^2 + 529^2 .

It is a cyclic number.

It is not a de Polignac number, because 328241 - 2⁶ = 328177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328243) 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, 2630 + ... + 2751.

It is an arithmetic number, because the mean of its divisors is an integer number (83421).

2³²⁸²⁴¹ is an apocalyptic number.

It is an amenable number.

328241 is a deficient number, since it is larger than the sum of its proper divisors (5443).

328241 is an equidigital number, since it uses as much as digits as its factorization.

328241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5442.

The product of its digits is 384, while the sum is 20.

The square root of 328241 is about 572.9232060233. The cubic root of 328241 is about 68.9812313301.

The spelling of 328241 in words is "three hundred twenty-eight thousand, two hundred forty-one".