26856804 has 144 divisors (see below), whose sum is σ = 77474880. Its totient is φ = 7188480.

The previous prime is 26856793. The next prime is 26856827. The reversal of 26856804 is 40865862.

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

It is a plaindrome in base 15.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 655024 + ... + 655064.

It is an arithmetic number, because the mean of its divisors is an integer number (538020).

Almost surely, 2^26856804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26856804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38737440).

26856804 is an abundant number, since it is smaller than the sum of its proper divisors (50618076).

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

26856804 is a wasteful number, since it uses less digits than its factorization.

26856804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 26856804 is about 5182.3550630963. The cubic root of 26856804 is about 299.4687040821.

The spelling of 26856804 in words is "twenty-six million, eight hundred fifty-six thousand, eight hundred four".