840341 has 2 divisors, whose sum is σ = 840342. Its totient is φ = 840340.

The previous prime is 840331. The next prime is 840347. The reversal of 840341 is 143048.

840341 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 819025 + 21316 = 905^2 + 146^2 .

It is a cyclic number.

It is not a de Polignac number, because 840341 - 2⁶ = 840277 is a prime.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 840341.

It is not a weakly prime, because it can be changed into another prime (840347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420170 + 420171.

It is an arithmetic number, because the mean of its divisors is an integer number (420171).

2⁸⁴⁰³⁴¹ is an apocalyptic number.

It is an amenable number.

840341 is a deficient number, since it is larger than the sum of its proper divisors (1).

840341 is an equidigital number, since it uses as much as digits as its factorization.

840341 is an evil number, because the sum of its binary digits is even.

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

The square root of 840341 is about 916.7011508665. The cubic root of 840341 is about 94.3666456064.

Adding to 840341 its reverse (143048), we get a palindrome (983389).

The spelling of 840341 in words is "eight hundred forty thousand, three hundred forty-one".