26896249 has 4 divisors (see below), whose sum is σ = 26962420. Its totient is φ = 26830080.

The previous prime is 26896241. The next prime is 26896277. The reversal of 26896249 is 94269862.

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

It can be written as a sum of positive squares in 2 ways, for example, as 25755625 + 1140624 = 5075^2 + 1068^2 .

It is a cyclic number.

It is not a de Polignac number, because 26896249 - 2³ = 26896241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26896199 and 26896208.

It is not an unprimeable number, because it can be changed into a prime (26896241) 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, 32472 + ... + 33289.

It is an arithmetic number, because the mean of its divisors is an integer number (6740605).

Almost surely, 2^26896249 is an apocalyptic number.

It is an amenable number.

26896249 is a deficient number, since it is larger than the sum of its proper divisors (66171).

26896249 is an equidigital number, since it uses as much as digits as its factorization.

26896249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66170.

The product of its digits is 373248, while the sum is 46.

The square root of 26896249 is about 5186.1593689357. The cubic root of 26896249 is about 299.6152437902.

It can be divided in two parts, 268962 and 49, that added together give a triangular number (269011 = T₇₃₃).

The spelling of 26896249 in words is "twenty-six million, eight hundred ninety-six thousand, two hundred forty-nine".