26828293 has 6 divisors (see below), whose sum is σ = 27574386. Its totient is φ = 26101872.

The previous prime is 26828287. The next prime is 26828297. The reversal of 26828293 is 39282862.

It can be written as a sum of positive squares in 3 ways, for example, as 13527684 + 13300609 = 3678^2 + 3647^2 .

It is not a de Polignac number, because 26828293 - 2¹⁷ = 26697221 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 (26828297) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8430 + ... + 11167.

It is an arithmetic number, because the mean of its divisors is an integer number (4595731).

Almost surely, 2^26828293 is an apocalyptic number.

It is an amenable number.

26828293 is a deficient number, since it is larger than the sum of its proper divisors (746093).

26828293 is an equidigital number, since it uses as much as digits as its factorization.

26828293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19671 (or 19634 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 26828293 is about 5179.6035562579. The cubic root of 26828293 is about 299.3626952490.

It can be divided in two parts, 268 and 28293, that added together give a 4-th power (28561 = 13⁴).

The spelling of 26828293 in words is "twenty-six million, eight hundred twenty-eight thousand, two hundred ninety-three".