27996896 has 36 divisors (see below), whose sum is σ = 56230272. Its totient is φ = 13720896.

The previous prime is 27996893. The next prime is 27996923. The reversal of 27996896 is 69869972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27996893) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 220385 + ... + 220511.

It is an arithmetic number, because the mean of its divisors is an integer number (1561952).

Almost surely, 2^27996896 is an apocalyptic number.

It is an amenable number.

27996896 is an abundant number, since it is smaller than the sum of its proper divisors (28233376).

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

27996896 is an equidigital number, since it uses as much as digits as its factorization.

27996896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 212 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 56.

The square root of 27996896 is about 5291.2093135691. The cubic root of 27996896 is about 303.6476758537.

The spelling of 27996896 in words is "twenty-seven million, nine hundred ninety-six thousand, eight hundred ninety-six".