841859 has 2 divisors, whose sum is σ = 841860. Its totient is φ = 841858.

The previous prime is 841849. The next prime is 841873. The reversal of 841859 is 958148.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-841859 is a prime.

It is a super-3 number, since 3×841859³ = 1789943539333808337, which contains 333 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (841849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420929 + 420930.

It is an arithmetic number, because the mean of its divisors is an integer number (420930).

2⁸⁴¹⁸⁵⁹ is an apocalyptic number.

841859 is a deficient number, since it is larger than the sum of its proper divisors (1).

841859 is an equidigital number, since it uses as much as digits as its factorization.

841859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 35.

The square root of 841859 is about 917.5287461437. The cubic root of 841859 is about 94.4234330293.

The spelling of 841859 in words is "eight hundred forty-one thousand, eight hundred fifty-nine".