26848391 has 4 divisors (see below), whose sum is σ = 26917800. Its totient is φ = 26778984.

The previous prime is 26848379. The next prime is 26848411. The reversal of 26848391 is 19384862.

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 26848391 - 2¹⁰ = 26847367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26848331) 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, 34121 + ... + 34898.

It is an arithmetic number, because the mean of its divisors is an integer number (6729450).

Almost surely, 2^26848391 is an apocalyptic number.

26848391 is a deficient number, since it is larger than the sum of its proper divisors (69409).

26848391 is an equidigital number, since it uses as much as digits as its factorization.

26848391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69408.

The product of its digits is 82944, while the sum is 41.

The square root of 26848391 is about 5181.5433029166. The cubic root of 26848391 is about 299.4374308980.

The spelling of 26848391 in words is "twenty-six million, eight hundred forty-eight thousand, three hundred ninety-one".