26940317 has 4 divisors (see below), whose sum is σ = 27566880. Its totient is φ = 26313756.

The previous prime is 26940307. The next prime is 26940349. The reversal of 26940317 is 71304962.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71304962 = 2 ⋅35652481.

It is a cyclic number.

It is not a de Polignac number, because 26940317 - 2⁴ = 26940301 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 (26940307) 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, 313217 + ... + 313302.

It is an arithmetic number, because the mean of its divisors is an integer number (6891720).

Almost surely, 2^26940317 is an apocalyptic number.

It is an amenable number.

26940317 is a deficient number, since it is larger than the sum of its proper divisors (626563).

26940317 is an equidigital number, since it uses as much as digits as its factorization.

26940317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626562.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 26940317 is about 5190.4062461430. The cubic root of 26940317 is about 299.7787887773.

It can be divided in two parts, 269403 and 17, that multiplied together give a triangular number (4579851 = T₃₀₂₆).

The spelling of 26940317 in words is "twenty-six million, nine hundred forty thousand, three hundred seventeen".