320340441 has 8 divisors (see below), whose sum is σ = 434360160. Its totient is φ = 209940512.

The previous prime is 320340439. The next prime is 320340443. The reversal of 320340441 is 144043023.

It is an interprime number because it is at equal distance from previous prime (320340439) and next prime (320340443).

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 320340441 - 2¹ = 320340439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320340443) 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 7 ways as a sum of consecutive naturals, for example, 904740 + ... + 905093.

It is an arithmetic number, because the mean of its divisors is an integer number (54295020).

Almost surely, 2^320340441 is an apocalyptic number.

It is an amenable number.

320340441 is a deficient number, since it is larger than the sum of its proper divisors (114019719).

320340441 is a wasteful number, since it uses less digits than its factorization.

320340441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809895.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 320340441 is about 17898.0569057091. The cubic root of 320340441 is about 684.2328535036.

Adding to 320340441 its reverse (144043023), we get a palindrome (464383464).

The spelling of 320340441 in words is "three hundred twenty million, three hundred forty thousand, four hundred forty-one".