26308641 has 4 divisors (see below), whose sum is σ = 35078192. Its totient is φ = 17539092.

The previous prime is 26308627. The next prime is 26308643. The reversal of 26308641 is 14680362.

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.

It is not a de Polignac number, because 26308641 - 2⁶ = 26308577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26308599 and 26308608.

It is not an unprimeable number, because it can be changed into a prime (26308643) 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, 4384771 + ... + 4384776.

It is an arithmetic number, because the mean of its divisors is an integer number (8769548).

Almost surely, 2^26308641 is an apocalyptic number.

It is an amenable number.

26308641 is a deficient number, since it is larger than the sum of its proper divisors (8769551).

26308641 is an equidigital number, since it uses as much as digits as its factorization.

26308641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8769550.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 26308641 is about 5129.1949660741. The cubic root of 26308641 is about 297.4172394136.

The spelling of 26308641 in words is "twenty-six million, three hundred eight thousand, six hundred forty-one".