26916949 has 2 divisors, whose sum is σ = 26916950. Its totient is φ = 26916948.

The previous prime is 26916943. The next prime is 26916971. The reversal of 26916949 is 94961962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14364100 + 12552849 = 3790^2 + 3543^2 .

It is a cyclic number.

It is not a de Polignac number, because 26916949 - 2³ = 26916941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26916899 and 26916908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26916941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13458474 + 13458475.

It is an arithmetic number, because the mean of its divisors is an integer number (13458475).

Almost surely, 2^26916949 is an apocalyptic number.

It is an amenable number.

26916949 is a deficient number, since it is larger than the sum of its proper divisors (1).

26916949 is an equidigital number, since it uses as much as digits as its factorization.

26916949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 46.

The square root of 26916949 is about 5188.1546815800. The cubic root of 26916949 is about 299.6920877787.

The spelling of 26916949 in words is "twenty-six million, nine hundred sixteen thousand, nine hundred forty-nine".