26828841 has 16 divisors (see below), whose sum is σ = 39070080. Its totient is φ = 16275840.

The previous prime is 26828819. The next prime is 26828849. The reversal of 26828841 is 14882862.

It is not a de Polignac number, because 26828841 - 2⁷ = 26828713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 26828841.

It is not an unprimeable number, because it can be changed into a prime (26828849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2076 + ... + 7613.

It is an arithmetic number, because the mean of its divisors is an integer number (2441880).

Almost surely, 2^26828841 is an apocalyptic number.

26828841 is the 2769-th nonagonal number.

It is an amenable number.

26828841 is a deficient number, since it is larger than the sum of its proper divisors (12241239).

26828841 is a wasteful number, since it uses less digits than its factorization.

26828841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9776.

The product of its digits is 49152, while the sum is 39.

The square root of 26828841 is about 5179.6564557893. The cubic root of 26828841 is about 299.3647335156.

The spelling of 26828841 in words is "twenty-six million, eight hundred twenty-eight thousand, eight hundred forty-one".