26847641 has 8 divisors (see below), whose sum is σ = 28549224. Its totient is φ = 25159680.

The previous prime is 26847631. The next prime is 26847659. The reversal of 26847641 is 14674862.

26847641 is nontrivially palindromic in base 4.

It can be written as a sum of positive squares in 4 ways, for example, as 8323225 + 18524416 = 2885^2 + 4304^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26847641 - 2⁶ = 26847577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26847595 and 26847604.

It is not an unprimeable number, because it can be changed into a prime (26847631) 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 7 ways as a sum of consecutive naturals, for example, 821 + ... + 7373.

It is an arithmetic number, because the mean of its divisors is an integer number (3568653).

Almost surely, 2^26847641 is an apocalyptic number.

It is an amenable number.

26847641 is a deficient number, since it is larger than the sum of its proper divisors (1701583).

26847641 is a wasteful number, since it uses less digits than its factorization.

26847641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6811.

The product of its digits is 64512, while the sum is 38.

The square root of 26847641 is about 5181.4709301510. The cubic root of 26847641 is about 299.4346426469.

The spelling of 26847641 in words is "twenty-six million, eight hundred forty-seven thousand, six hundred forty-one".