26490841 has 4 divisors (see below), whose sum is σ = 28528612. Its totient is φ = 24453072.

The previous prime is 26490817. The next prime is 26490847. The reversal of 26490841 is 14809462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14809462 = 2 ⋅7404731.

It can be written as a sum of positive squares in 2 ways, for example, as 1490841 + 25000000 = 1221^2 + 5000^2 .

It is a cyclic number.

It is not a de Polignac number, because 26490841 - 2⁵ = 26490809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26490797 and 26490806.

It is not an unprimeable number, because it can be changed into a prime (26490847) 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, 1018866 + ... + 1018891.

It is an arithmetic number, because the mean of its divisors is an integer number (7132153).

Almost surely, 2^26490841 is an apocalyptic number.

It is an amenable number.

26490841 is a deficient number, since it is larger than the sum of its proper divisors (2037771).

26490841 is a wasteful number, since it uses less digits than its factorization.

26490841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037770.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 26490841 is about 5146.9253928923. The cubic root of 26490841 is about 298.1022463432.

The spelling of 26490841 in words is "twenty-six million, four hundred ninety thousand, eight hundred forty-one".