26868243 has 16 divisors (see below), whose sum is σ = 37310112. Its totient is φ = 17184000.

The previous prime is 26868241. The next prime is 26868251. The reversal of 26868243 is 34286862.

It is not a de Polignac number, because 26868243 - 2¹ = 26868241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26868241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5713 + ... + 9293.

It is an arithmetic number, because the mean of its divisors is an integer number (2331882).

Almost surely, 2^26868243 is an apocalyptic number.

26868243 is a deficient number, since it is larger than the sum of its proper divisors (10441869).

26868243 is a wasteful number, since it uses less digits than its factorization.

26868243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3686.

The product of its digits is 110592, while the sum is 39.

The square root of 26868243 is about 5183.4585944136. The cubic root of 26868243 is about 299.5112151749.

The spelling of 26868243 in words is "twenty-six million, eight hundred sixty-eight thousand, two hundred forty-three".