86443 has 8 divisors (see below), whose sum is σ = 101088. Its totient is φ = 72384.

The previous prime is 86441. The next prime is 86453. The reversal of 86443 is 34468.

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

It is a cyclic number.

It is not a de Polignac number, because 86443 - 2¹ = 86441 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (86441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255 + ... + 487.

It is an arithmetic number, because the mean of its divisors is an integer number (12636).

2⁸⁶⁴⁴³ is an apocalyptic number.

86443 is a deficient number, since it is larger than the sum of its proper divisors (14645).

86443 is a wasteful number, since it uses less digits than its factorization.

86443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293.

The product of its digits is 2304, while the sum is 25.

The square root of 86443 is about 294.0119045209. The cubic root of 86443 is about 44.2157107189.

Adding to 86443 its sum of digits (25), we get a palindrome (86468).

It can be divided in two parts, 86 and 443, that added together give a square (529 = 23²).

The spelling of 86443 in words is "eighty-six thousand, four hundred forty-three".