320841 has 20 divisors (see below), whose sum is σ = 509652. Its totient is φ = 200448.

The previous prime is 320839. The next prime is 320843. The reversal of 320841 is 148023.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (320839) and next prime (320843).

It can be written as a sum of positive squares in 2 ways, for example, as 156816 + 164025 = 396^2 + 405^2 .

It is not a de Polignac number, because 320841 - 2¹ = 320839 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 320841.

It is not an unprimeable number, because it can be changed into a prime (320843) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1261 + ... + 1493.

2³²⁰⁸⁴¹ is an apocalyptic number.

It is an amenable number.

320841 is a deficient number, since it is larger than the sum of its proper divisors (188811).

320841 is a wasteful number, since it uses less digits than its factorization.

320841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 320841 is about 566.4282831921. The cubic root of 320841 is about 68.4589058579.

Adding to 320841 its reverse (148023), we get a palindrome (468864).

It can be divided in two parts, 3208 and 41, that added together give a square (3249 = 57²).

The spelling of 320841 in words is "three hundred twenty thousand, eight hundred forty-one".