850943 has 2 divisors, whose sum is σ = 850944. Its totient is φ = 850942.

The previous prime is 850933. The next prime is 850951. The reversal of 850943 is 349058.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 850943 - 2⁶ = 850879 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (850933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425471 + 425472.

It is an arithmetic number, because the mean of its divisors is an integer number (425472).

2⁸⁵⁰⁹⁴³ is an apocalyptic number.

850943 is a deficient number, since it is larger than the sum of its proper divisors (1).

850943 is an equidigital number, since it uses as much as digits as its factorization.

850943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 850943 is about 922.4657175202. The cubic root of 850943 is about 94.7618411231.

The spelling of 850943 in words is "eight hundred fifty thousand, nine hundred forty-three".