26443231 has 8 divisors (see below), whose sum is σ = 28097280. Its totient is φ = 24815448.

The previous prime is 26443229. The next prime is 26443247. The reversal of 26443231 is 13234462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26443231 - 2¹ = 26443229 is a prime.

It is a super-2 number, since 2×26443231² = 1398488931438722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26443196 and 26443205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26443931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4471 + ... + 8536.

It is an arithmetic number, because the mean of its divisors is an integer number (3512160).

Almost surely, 2^26443231 is an apocalyptic number.

26443231 is a deficient number, since it is larger than the sum of its proper divisors (1654049).

26443231 is a wasteful number, since it uses less digits than its factorization.

26443231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13133.

The product of its digits is 3456, while the sum is 25.

The square root of 26443231 is about 5142.2982216126. The cubic root of 26443231 is about 297.9235536533.

Adding to 26443231 its reverse (13234462), we get a palindrome (39677693).

The spelling of 26443231 in words is "twenty-six million, four hundred forty-three thousand, two hundred thirty-one".