26338393 has 4 divisors (see below), whose sum is σ = 26634420. Its totient is φ = 26042368.

The previous prime is 26338391. The next prime is 26338399. The reversal of 26338393 is 39383362.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39383362 = 2 ⋅19691681.

It can be written as a sum of positive squares in 2 ways, for example, as 18896409 + 7441984 = 4347^2 + 2728^2 .

It is a cyclic number.

It is not a de Polignac number, because 26338393 - 2¹ = 26338391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26338391) 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, 147880 + ... + 148057.

It is an arithmetic number, because the mean of its divisors is an integer number (6658605).

Almost surely, 2^26338393 is an apocalyptic number.

It is an amenable number.

26338393 is a deficient number, since it is larger than the sum of its proper divisors (296027).

26338393 is an equidigital number, since it uses as much as digits as its factorization.

26338393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296026.

The product of its digits is 69984, while the sum is 37.

The square root of 26338393 is about 5132.0944067700. The cubic root of 26338393 is about 297.5293118966.

It can be divided in two parts, 2633 and 8393, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 26338393 in words is "twenty-six million, three hundred thirty-eight thousand, three hundred ninety-three".