26869641 has 4 divisors (see below), whose sum is σ = 35826192. Its totient is φ = 17913092.

The previous prime is 26869567. The next prime is 26869643. The reversal of 26869641 is 14696862.

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 a cyclic number.

It is not a de Polignac number, because 26869641 - 2¹⁴ = 26853257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26869593 and 26869602.

It is not an unprimeable number, because it can be changed into a prime (26869643) 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, 4478271 + ... + 4478276.

It is an arithmetic number, because the mean of its divisors is an integer number (8956548).

Almost surely, 2^26869641 is an apocalyptic number.

It is an amenable number.

26869641 is a deficient number, since it is larger than the sum of its proper divisors (8956551).

26869641 is an equidigital number, since it uses as much as digits as its factorization.

26869641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8956550.

The product of its digits is 124416, while the sum is 42.

The square root of 26869641 is about 5183.5934447061. The cubic root of 26869641 is about 299.5164097761.

The spelling of 26869641 in words is "twenty-six million, eight hundred sixty-nine thousand, six hundred forty-one".