26348689 has 2 divisors, whose sum is σ = 26348690. Its totient is φ = 26348688.

The previous prime is 26348681. The next prime is 26348711. The reversal of 26348689 is 98684362.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25553025 + 795664 = 5055^2 + 892^2 .

It is a cyclic number.

It is not a de Polignac number, because 26348689 - 2³ = 26348681 is a prime.

It is not a weakly prime, because it can be changed into another prime (26348681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13174344 + 13174345.

It is an arithmetic number, because the mean of its divisors is an integer number (13174345).

Almost surely, 2^26348689 is an apocalyptic number.

It is an amenable number.

26348689 is a deficient number, since it is larger than the sum of its proper divisors (1).

26348689 is an equidigital number, since it uses as much as digits as its factorization.

26348689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 46.

The square root of 26348689 is about 5133.0974079984. The cubic root of 26348689 is about 297.5680761284.

The spelling of 26348689 in words is "twenty-six million, three hundred forty-eight thousand, six hundred eighty-nine".