26944889 has 2 divisors, whose sum is σ = 26944890. Its totient is φ = 26944888.

The previous prime is 26944877. The next prime is 26944979. The reversal of 26944889 is 98844962.

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., 25806400 + 1138489 = 5080^2 + 1067^2 .

It is a cyclic number.

It is not a de Polignac number, because 26944889 - 2⁴ = 26944873 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26944849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13472444 + 13472445.

It is an arithmetic number, because the mean of its divisors is an integer number (13472445).

Almost surely, 2^26944889 is an apocalyptic number.

It is an amenable number.

26944889 is a deficient number, since it is larger than the sum of its proper divisors (1).

26944889 is an equidigital number, since it uses as much as digits as its factorization.

26944889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 995328, while the sum is 50.

The square root of 26944889 is about 5190.8466554118. The cubic root of 26944889 is about 299.7957461513.

The spelling of 26944889 in words is "twenty-six million, nine hundred forty-four thousand, eight hundred eighty-nine".