26728843 has 8 divisors (see below), whose sum is σ = 28019376. Its totient is φ = 25468800.

The previous prime is 26728831. The next prime is 26728859. The reversal of 26728843 is 34882762.

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 26728843 - 2¹⁷ = 26597771 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26728796 and 26728805.

It is not an unprimeable number, because it can be changed into a prime (26728883) 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, 5818 + ... + 9343.

It is an arithmetic number, because the mean of its divisors is an integer number (3502422).

Almost surely, 2^26728843 is an apocalyptic number.

26728843 is a deficient number, since it is larger than the sum of its proper divisors (1290533).

26728843 is a wasteful number, since it uses less digits than its factorization.

26728843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15245.

The product of its digits is 129024, while the sum is 40.

The square root of 26728843 is about 5169.9944874245. The cubic root of 26728843 is about 298.9923339682.

The spelling of 26728843 in words is "twenty-six million, seven hundred twenty-eight thousand, eight hundred forty-three".