27896256 has 84 divisors (see below), whose sum is σ = 84201000. Its totient is φ = 8805888.

The previous prime is 27896251. The next prime is 27896273. The reversal of 27896256 is 65269872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27896251) 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 11 ways as a sum of consecutive naturals, for example, 9670 + ... + 12218.

Almost surely, 2^27896256 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 27896256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42100500).

27896256 is an abundant number, since it is smaller than the sum of its proper divisors (56304744).

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

27896256 is a wasteful number, since it uses less digits than its factorization.

27896256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2586 (or 2573 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 27896256 is about 5281.6906384225. The cubic root of 27896256 is about 303.2833998499.

It can be divided in two parts, 2789 and 6256, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 27896256 in words is "twenty-seven million, eight hundred ninety-six thousand, two hundred fifty-six".