26716385 has 4 divisors (see below), whose sum is σ = 32059668. Its totient is φ = 21373104.

The previous prime is 26716381. The next prime is 26716423. The reversal of 26716385 is 58361762.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58361762 = 2 ⋅29180881.

It can be written as a sum of positive squares in 2 ways, for example, as 10297681 + 16418704 = 3209^2 + 4052^2 .

It is a cyclic number.

It is not a de Polignac number, because 26716385 - 2² = 26716381 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26716381) 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, 2671634 + ... + 2671643.

It is an arithmetic number, because the mean of its divisors is an integer number (8014917).

Almost surely, 2^26716385 is an apocalyptic number.

It is an amenable number.

26716385 is a deficient number, since it is larger than the sum of its proper divisors (5343283).

26716385 is an equidigital number, since it uses as much as digits as its factorization.

26716385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5343282.

The product of its digits is 60480, while the sum is 38.

The square root of 26716385 is about 5168.7895101271. The cubic root of 26716385 is about 298.9458744769.

The spelling of 26716385 in words is "twenty-six million, seven hundred sixteen thousand, three hundred eighty-five".