26268917 has 4 divisors (see below), whose sum is σ = 26430240. Its totient is φ = 26107596.

The previous prime is 26268901. The next prime is 26268923. The reversal of 26268917 is 71986262.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26268917 - 2⁴ = 26268901 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 (26268937) 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, 80417 + ... + 80742.

It is an arithmetic number, because the mean of its divisors is an integer number (6607560).

Almost surely, 2^26268917 is an apocalyptic number.

It is an amenable number.

26268917 is a deficient number, since it is larger than the sum of its proper divisors (161323).

26268917 is a wasteful number, since it uses less digits than its factorization.

26268917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161322.

The product of its digits is 72576, while the sum is 41.

The square root of 26268917 is about 5125.3211606689. The cubic root of 26268917 is about 297.2674717158.

The spelling of 26268917 in words is "twenty-six million, two hundred sixty-eight thousand, nine hundred seventeen".