27896 has 16 divisors (see below), whose sum is σ = 57240. Its totient is φ = 12640.

The previous prime is 27893. The next prime is 27901. The reversal of 27896 is 69872.

27896 = 34² + 35² + ... + 49².

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71 + ... + 246.

2²⁷⁸⁹⁶ is an apocalyptic number.

It is an amenable number.

27896 is an abundant number, since it is smaller than the sum of its proper divisors (29344).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28620).

27896 is a wasteful number, since it uses less digits than its factorization.

27896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 330 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 27896 is about 167.0209567689. The cubic root of 27896 is about 30.3282472117.

The spelling of 27896 in words is "twenty-seven thousand, eight hundred ninety-six".