27995844 has 12 divisors (see below), whose sum is σ = 65323664. Its totient is φ = 9331944.

The previous prime is 27995843. The next prime is 27995893. The reversal of 27995844 is 44859972.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 27995793 and 27995802.

It is not an unprimeable number, because it can be changed into a prime (27995843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1166482 + ... + 1166505.

Almost surely, 2^27995844 is an apocalyptic number.

It is an amenable number.

27995844 is an abundant number, since it is smaller than the sum of its proper divisors (37327820).

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

27995844 is a wasteful number, since it uses less digits than its factorization.

27995844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2332994 (or 2332992 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 27995844 is about 5291.1099024685. The cubic root of 27995844 is about 303.6438725587.

The spelling of 27995844 in words is "twenty-seven million, nine hundred ninety-five thousand, eight hundred forty-four".