27896616 has 128 divisors (see below), whose sum is σ = 86400000. Its totient is φ = 8268480.

The previous prime is 27896611. The next prime is 27896641. The reversal of 27896616 is 61669872.

27896616 is a `hidden beast` number, since 27 + 8 + 9 + 6 + 616 = 666.

It is not an unprimeable number, because it can be changed into a prime (27896611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140085 + ... + 140283.

It is an arithmetic number, because the mean of its divisors is an integer number (675000).

Almost surely, 2^27896616 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 27896616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43200000).

27896616 is an abundant number, since it is smaller than the sum of its proper divisors (58503384).

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

27896616 is a wasteful number, since it uses less digits than its factorization.

27896616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 274 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 27896616 is about 5281.7247183094. The cubic root of 27896616 is about 303.2847044641.

The spelling of 27896616 in words is "twenty-seven million, eight hundred ninety-six thousand, six hundred sixteen".