26344489 has 2 divisors, whose sum is σ = 26344490. Its totient is φ = 26344488.

The previous prime is 26344477. The next prime is 26344501. The reversal of 26344489 is 98444362.

It is a balanced prime because it is at equal distance from previous prime (26344477) and next prime (26344501).

It can be written as a sum of positive squares in only one way, i.e., 25928464 + 416025 = 5092^2 + 645^2 .

It is a cyclic number.

It is not a de Polignac number, because 26344489 - 2¹⁵ = 26311721 is a prime.

It is a super-2 number, since 2×26344489² = 1388064201342242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26344589) 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, 13172244 + 13172245.

It is an arithmetic number, because the mean of its divisors is an integer number (13172245).

Almost surely, 2^26344489 is an apocalyptic number.

It is an amenable number.

26344489 is a deficient number, since it is larger than the sum of its proper divisors (1).

26344489 is an equidigital number, since it uses as much as digits as its factorization.

26344489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 40.

The square root of 26344489 is about 5132.6882819825. The cubic root of 26344489 is about 297.5522644330.

The spelling of 26344489 in words is "twenty-six million, three hundred forty-four thousand, four hundred eighty-nine".