26938423 has 4 divisors (see below), whose sum is σ = 26958208. Its totient is φ = 26918640.

The previous prime is 26938403. The next prime is 26938441. The reversal of 26938423 is 32483962.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26938423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26938403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7686 + ... + 10627.

It is an arithmetic number, because the mean of its divisors is an integer number (6739552).

Almost surely, 2^26938423 is an apocalyptic number.

26938423 is a deficient number, since it is larger than the sum of its proper divisors (19785).

26938423 is a wasteful number, since it uses less digits than its factorization.

26938423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19784.

The product of its digits is 62208, while the sum is 37.

The square root of 26938423 is about 5190.2237909362. The cubic root of 26938423 is about 299.7717634413.

The spelling of 26938423 in words is "twenty-six million, nine hundred thirty-eight thousand, four hundred twenty-three".