26790923 has 4 divisors (see below), whose sum is σ = 27515040. Its totient is φ = 26066808.

The previous prime is 26790919. The next prime is 26790937. The reversal of 26790923 is 32909762.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32909762 = 2 ⋅16454881.

It is a cyclic number.

It is not a de Polignac number, because 26790923 - 2² = 26790919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26790943) 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, 362003 + ... + 362076.

It is an arithmetic number, because the mean of its divisors is an integer number (6878760).

Almost surely, 2^26790923 is an apocalyptic number.

26790923 is a deficient number, since it is larger than the sum of its proper divisors (724117).

26790923 is an equidigital number, since it uses as much as digits as its factorization.

26790923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724116.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 26790923 is about 5175.9948802139. The cubic root of 26790923 is about 299.2236333232.

The spelling of 26790923 in words is "twenty-six million, seven hundred ninety thousand, nine hundred twenty-three".