26856872 has 32 divisors (see below), whose sum is σ = 60937920. Its totient is φ = 10832640.

The previous prime is 26856839. The next prime is 26856877. The reversal of 26856872 is 27865862.

It is not an unprimeable number, because it can be changed into a prime (26856877) 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 7 ways as a sum of consecutive naturals, for example, 13154 + ... + 15057.

It is an arithmetic number, because the mean of its divisors is an integer number (1904310).

Almost surely, 2^26856872 is an apocalyptic number.

It is an amenable number.

26856872 is an abundant number, since it is smaller than the sum of its proper divisors (34081048).

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

26856872 is a wasteful number, since it uses less digits than its factorization.

26856872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28241 (or 28237 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 26856872 is about 5182.3616238159. The cubic root of 26856872 is about 299.4689568281.

The spelling of 26856872 in words is "twenty-six million, eight hundred fifty-six thousand, eight hundred seventy-two".