26426 has 8 divisors (see below), whose sum is σ = 40404. Its totient is φ = 12960.

The previous prime is 26423. The next prime is 26431. The reversal of 26426 is 62462.

It can be written as a sum of positive squares in 2 ways, for example, as 24025 + 2401 = 155^2 + 49^2 .

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

It is a d-powerful number, because it can be written as 2 + 6³ + 4⁷ + 2¹¹ + 6⁵ .

It is a junction number, because it is equal to n+sod(n) for n = 26398 and 26407.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 26426.

It is not an unprimeable number, because it can be changed into a prime (26423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56 + ... + 236.

2²⁶⁴²⁶ is an apocalyptic number.

26426 is a deficient number, since it is larger than the sum of its proper divisors (13978).

26426 is a wasteful number, since it uses less digits than its factorization.

26426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256.

The product of its digits is 576, while the sum is 20.

The square root of 26426 is about 162.5607578722. The cubic root of 26426 is about 29.7858828378.

Adding to 26426 its reverse (62462), we get a palindrome (88888).

The spelling of 26426 in words is "twenty-six thousand, four hundred twenty-six".