26828249 has 8 divisors (see below), whose sum is σ = 31006080. Its totient is φ = 22736736.

The previous prime is 26828239. The next prime is 26828257. The reversal of 26828249 is 94282862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26828249 - 2⁸ = 26827993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26828239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20909 + ... + 22154.

It is an arithmetic number, because the mean of its divisors is an integer number (3875760).

Almost surely, 2^26828249 is an apocalyptic number.

It is an amenable number.

26828249 is a deficient number, since it is larger than the sum of its proper divisors (4177831).

26828249 is an equidigital number, since it uses as much as digits as its factorization.

26828249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43159.

The product of its digits is 110592, while the sum is 41.

The square root of 26828249 is about 5179.5993088269. The cubic root of 26828249 is about 299.3625315914.

The spelling of 26828249 in words is "twenty-six million, eight hundred twenty-eight thousand, two hundred forty-nine".