86843 has 2 divisors, whose sum is σ = 86844. Its totient is φ = 86842.

The previous prime is 86837. The next prime is 86851. The reversal of 86843 is 34868.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86843 - 2⁸ = 86587 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (86813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43421 + 43422.

It is an arithmetic number, because the mean of its divisors is an integer number (43422).

2⁸⁶⁸⁴³ is an apocalyptic number.

86843 is a deficient number, since it is larger than the sum of its proper divisors (1).

86843 is an equidigital number, since it uses as much as digits as its factorization.

86843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 29.

The square root of 86843 is about 294.6913639725. The cubic root of 86843 is about 44.2838059730.

It can be divided in two parts, 86 and 843, that added together give a palindrome (929).

The spelling of 86843 in words is "eighty-six thousand, eight hundred forty-three".