26398874 has 16 divisors (see below), whose sum is σ = 41195520. Its totient is φ = 12672240.

The previous prime is 26398873. The next prime is 26398907. The reversal of 26398874 is 47889362.

It is not an unprimeable number, because it can be changed into a prime (26398873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9887 + ... + 12269.

It is an arithmetic number, because the mean of its divisors is an integer number (2574720).

Almost surely, 2^26398874 is an apocalyptic number.

26398874 is a deficient number, since it is larger than the sum of its proper divisors (14796646).

26398874 is a wasteful number, since it uses less digits than its factorization.

26398874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605.

The product of its digits is 580608, while the sum is 47.

The square root of 26398874 is about 5137.9834565713. The cubic root of 26398874 is about 297.7568772097.

It can be divided in two parts, 26398 and 874, that added together give a palindrome (27272).

The spelling of 26398874 in words is "twenty-six million, three hundred ninety-eight thousand, eight hundred seventy-four".