320441 has 4 divisors (see below), whose sum is σ = 349584. Its totient is φ = 291300.

The previous prime is 320431. The next prime is 320449. The reversal of 320441 is 144023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 144023 = 11 ⋅13093.

It is a cyclic number.

It is not a de Polignac number, because 320441 - 2⁶ = 320377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14555 + ... + 14576.

It is an arithmetic number, because the mean of its divisors is an integer number (87396).

2³²⁰⁴⁴¹ is an apocalyptic number.

It is an amenable number.

320441 is a deficient number, since it is larger than the sum of its proper divisors (29143).

320441 is a wasteful number, since it uses less digits than its factorization.

320441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29142.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 320441 is about 566.0750833591. The cubic root of 320441 is about 68.4304442522.

Adding to 320441 its reverse (144023), we get a palindrome (464464).

The spelling of 320441 in words is "three hundred twenty thousand, four hundred forty-one", and thus it is an iban number.