26864682 has 32 divisors (see below), whose sum is σ = 58244928. Its totient is φ = 8211456.

The previous prime is 26864681. The next prime is 26864707. The reversal of 26864682 is 28646862.

It is a super-2 number, since 2×26864682² = 1443422277922248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26864681) 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 15 ways as a sum of consecutive naturals, for example, 11658 + ... + 13770.

It is an arithmetic number, because the mean of its divisors is an integer number (1820154).

Almost surely, 2^26864682 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26864682, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29122464).

26864682 is an abundant number, since it is smaller than the sum of its proper divisors (31380246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26864682 is a wasteful number, since it uses less digits than its factorization.

26864682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2294.

The product of its digits is 221184, while the sum is 42.

The square root of 26864682 is about 5183.1150865093. The cubic root of 26864682 is about 299.4979826193.

The spelling of 26864682 in words is "twenty-six million, eight hundred sixty-four thousand, six hundred eighty-two".