26321339 has 4 divisors (see below), whose sum is σ = 28714200. Its totient is φ = 23928480.

The previous prime is 26321329. The next prime is 26321353. The reversal of 26321339 is 93312362.

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 26321339 - 2²⁰ = 25272763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26321329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1196414 + ... + 1196435.

It is an arithmetic number, because the mean of its divisors is an integer number (7178550).

Almost surely, 2^26321339 is an apocalyptic number.

26321339 is a deficient number, since it is larger than the sum of its proper divisors (2392861).

26321339 is a wasteful number, since it uses less digits than its factorization.

26321339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2392860.

The product of its digits is 5832, while the sum is 29.

The square root of 26321339 is about 5130.4326328293. The cubic root of 26321339 is about 297.4650817007.

The spelling of 26321339 in words is "twenty-six million, three hundred twenty-one thousand, three hundred thirty-nine".