26447849 has 2 divisors, whose sum is σ = 26447850. Its totient is φ = 26447848.

The previous prime is 26447843. The next prime is 26447873. The reversal of 26447849 is 94874462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25755625 + 692224 = 5075^2 + 832^2 .

It is a cyclic number.

It is not a de Polignac number, because 26447849 - 2⁸ = 26447593 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26447843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13223924 + 13223925.

It is an arithmetic number, because the mean of its divisors is an integer number (13223925).

Almost surely, 2^26447849 is an apocalyptic number.

It is an amenable number.

26447849 is a deficient number, since it is larger than the sum of its proper divisors (1).

26447849 is an equidigital number, since it uses as much as digits as its factorization.

26447849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 44.

The square root of 26447849 is about 5142.7472230317. The cubic root of 26447849 is about 297.9408955947.

The spelling of 26447849 in words is "twenty-six million, four hundred forty-seven thousand, eight hundred forty-nine".