26423449 has 4 divisors (see below), whose sum is σ = 28456036. Its totient is φ = 24390864.

The previous prime is 26423429. The next prime is 26423461. The reversal of 26423449 is 94432462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94432462 = 2 ⋅47216231.

It can be written as a sum of positive squares in 2 ways, for example, as 1871424 + 24552025 = 1368^2 + 4955^2 .

It is a cyclic number.

It is not a de Polignac number, because 26423449 - 2⁹ = 26422937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26423429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1016274 + ... + 1016299.

It is an arithmetic number, because the mean of its divisors is an integer number (7114009).

Almost surely, 2^26423449 is an apocalyptic number.

It is an amenable number.

26423449 is a deficient number, since it is larger than the sum of its proper divisors (2032587).

26423449 is a wasteful number, since it uses less digits than its factorization.

26423449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032586.

The product of its digits is 41472, while the sum is 34.

The square root of 26423449 is about 5140.3744027065. The cubic root of 26423449 is about 297.8492435966.

The spelling of 26423449 in words is "twenty-six million, four hundred twenty-three thousand, four hundred forty-nine".