26843 has 4 divisors (see below), whose sum is σ = 28440. Its totient is φ = 25248.

The previous prime is 26839. The next prime is 26849. The reversal of 26843 is 34862.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34862 = 2 ⋅17431.

It is a cyclic number.

It is not a de Polignac number, because 26843 - 2² = 26839 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (26849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773 + ... + 806.

It is an arithmetic number, because the mean of its divisors is an integer number (7110).

2²⁶⁸⁴³ is an apocalyptic number.

26843 is a deficient number, since it is larger than the sum of its proper divisors (1597).

26843 is a wasteful number, since it uses less digits than its factorization.

26843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596.

The product of its digits is 1152, while the sum is 23.

The square root of 26843 is about 163.8383349525. The cubic root of 26843 is about 29.9417387794.

The spelling of 26843 in words is "twenty-six thousand, eight hundred forty-three".