26871656 has 32 divisors (see below), whose sum is σ = 58164480. Its totient is φ = 11400000.

The previous prime is 26871653. The next prime is 26871673. The reversal of 26871656 is 65617862.

It is not an unprimeable number, because it can be changed into a prime (26871653) 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, 3281 + ... + 8031.

It is an arithmetic number, because the mean of its divisors is an integer number (1817640).

Almost surely, 2^26871656 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 26871656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29082240).

26871656 is an abundant number, since it is smaller than the sum of its proper divisors (31292824).

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

26871656 is a wasteful number, since it uses less digits than its factorization.

26871656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4865 (or 4861 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 26871656 is about 5183.7878042991. The cubic root of 26871656 is about 299.5238966703.

The spelling of 26871656 in words is "twenty-six million, eight hundred seventy-one thousand, six hundred fifty-six".