26864339 has 4 divisors (see below), whose sum is σ = 27304800. Its totient is φ = 26423880.

The previous prime is 26864303. The next prime is 26864363. The reversal of 26864339 is 93346862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26864339 - 2²⁰ = 25815763 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26864296 and 26864305.

It is not an unprimeable number, because it can be changed into a prime (26864399) 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, 220139 + ... + 220260.

It is an arithmetic number, because the mean of its divisors is an integer number (6826200).

Almost surely, 2^26864339 is an apocalyptic number.

26864339 is a deficient number, since it is larger than the sum of its proper divisors (440461).

26864339 is an equidigital number, since it uses as much as digits as its factorization.

26864339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440460.

The product of its digits is 186624, while the sum is 41.

The square root of 26864339 is about 5183.0819981937. The cubic root of 26864339 is about 299.4967079812.

The spelling of 26864339 in words is "twenty-six million, eight hundred sixty-four thousand, three hundred thirty-nine".