26856312 has 96 divisors (see below), whose sum is σ = 80151120. Its totient is φ = 7472640.

The previous prime is 26856299. The next prime is 26856331. The reversal of 26856312 is 21365862.

It is a super-2 number, since 2×26856312² = 1442522988482688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47938 + ... + 48494.

Almost surely, 2^26856312 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 26856312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40075560).

26856312 is an abundant number, since it is smaller than the sum of its proper divisors (53294808).

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

26856312 is a wasteful number, since it uses less digits than its factorization.

26856312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621 (or 610 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 26856312 is about 5182.3075941129. The cubic root of 26856312 is about 299.4668753772.

The spelling of 26856312 in words is "twenty-six million, eight hundred fifty-six thousand, three hundred twelve".