26979841 has 6 divisors (see below), whose sum is σ = 31384770. Its totient is φ = 23125536.

The previous prime is 26979839. The next prime is 26979847. The reversal of 26979841 is 14897962.

It can be written as a sum of positive squares in only one way, i.e., 22657600 + 4322241 = 4760^2 + 2079^2 .

It is not a de Polignac number, because 26979841 - 2¹ = 26979839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26979791 and 26979800.

It is not an unprimeable number, because it can be changed into a prime (26979847) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 275256 + ... + 275353.

It is an arithmetic number, because the mean of its divisors is an integer number (5230795).

Almost surely, 2^26979841 is an apocalyptic number.

It is an amenable number.

26979841 is a deficient number, since it is larger than the sum of its proper divisors (4404929).

26979841 is an equidigital number, since it uses as much as digits as its factorization.

26979841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550623 (or 550616 counting only the distinct ones).

The product of its digits is 217728, while the sum is 46.

The square root of 26979841 is about 5194.2122598138. The cubic root of 26979841 is about 299.9253184475.

The spelling of 26979841 in words is "twenty-six million, nine hundred seventy-nine thousand, eight hundred forty-one".