10839 has 4 divisors (see below), whose sum is σ = 14456. Its totient is φ = 7224.

The previous prime is 10837. The next prime is 10847. The reversal of 10839 is 93801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93801 = 3 ⋅31267.

It is not a de Polignac number, because 10839 - 2¹ = 10837 is a prime.

It is a D-number.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10831) 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, 1804 + ... + 1809.

It is an arithmetic number, because the mean of its divisors is an integer number (3614).

2¹⁰⁸³⁹ is an apocalyptic number.

10839 is a deficient number, since it is larger than the sum of its proper divisors (3617).

10839 is an equidigital number, since it uses as much as digits as its factorization.

10839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3616.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 10839 is about 104.1105182006. The cubic root of 10839 is about 22.1307639233.

The spelling of 10839 in words is "ten thousand, eight hundred thirty-nine".