86943 has 8 divisors (see below), whose sum is σ = 117808. Its totient is φ = 57024.

The previous prime is 86939. The next prime is 86951. The reversal of 86943 is 34968.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86943 - 2² = 86939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21 + ... + 417.

It is an arithmetic number, because the mean of its divisors is an integer number (14726).

2⁸⁶⁹⁴³ is an apocalyptic number.

86943 is a deficient number, since it is larger than the sum of its proper divisors (30865).

86943 is a wasteful number, since it uses less digits than its factorization.

86943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473.

The product of its digits is 5184, while the sum is 30.

The square root of 86943 is about 294.8609841942. The cubic root of 86943 is about 44.3007971022.

The spelling of 86943 in words is "eighty-six thousand, nine hundred forty-three".