27896544 has 72 divisors (see below), whose sum is σ = 85444632. Its totient is φ = 8582400.

The previous prime is 27896543. The next prime is 27896563. The reversal of 27896544 is 44569872.

It is a happy number.

27896544 is a `hidden beast` number, since 27 + 89 + 6 + 544 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a self number, because there is not a number n which added to its sum of digits gives 27896544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27896543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19 + ... + 7469.

It is an arithmetic number, because the mean of its divisors is an integer number (1186731).

Almost surely, 2^27896544 is an apocalyptic number.

27896544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27896544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42722316).

27896544 is an abundant number, since it is smaller than the sum of its proper divisors (57548088).

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

27896544 is a wasteful number, since it uses less digits than its factorization.

27896544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7480 (or 7469 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 27896544 is about 5281.7179023496. The cubic root of 27896544 is about 303.2844435422.

The spelling of 27896544 in words is "twenty-seven million, eight hundred ninety-six thousand, five hundred forty-four".