26838193 has 4 divisors (see below), whose sum is σ = 27344628. Its totient is φ = 26331760.

The previous prime is 26838191. The next prime is 26838199. The reversal of 26838193 is 39183862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39183862 = 2 ⋅19591931.

It can be written as a sum of positive squares in 2 ways, for example, as 20223009 + 6615184 = 4497^2 + 2572^2 .

It is a cyclic number.

It is not a de Polignac number, because 26838193 - 2¹ = 26838191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26838191) 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, 253138 + ... + 253243.

It is an arithmetic number, because the mean of its divisors is an integer number (6836157).

Almost surely, 2^26838193 is an apocalyptic number.

It is an amenable number.

26838193 is a deficient number, since it is larger than the sum of its proper divisors (506435).

26838193 is an equidigital number, since it uses as much as digits as its factorization.

26838193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506434.

The product of its digits is 62208, while the sum is 40.

The square root of 26838193 is about 5180.5591397068. The cubic root of 26838193 is about 299.3995136707.

The spelling of 26838193 in words is "twenty-six million, eight hundred thirty-eight thousand, one hundred ninety-three".