27995648 has 20 divisors (see below), whose sum is σ = 55937640. Its totient is φ = 13997568.

The previous prime is 27995647. The next prime is 27995657. The reversal of 27995648 is 84659972.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 27995596 and 27995605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27995647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26828 + ... + 27851.

It is an arithmetic number, because the mean of its divisors is an integer number (2796882).

Almost surely, 2^27995648 is an apocalyptic number.

It is an amenable number.

27995648 is a deficient number, since it is larger than the sum of its proper divisors (27941992).

27995648 is an frugal number, since it uses more digits than its factorization.

27995648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54697 (or 54681 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 50.

The square root of 27995648 is about 5291.0913808023. The cubic root of 27995648 is about 303.6431639495.

The spelling of 27995648 in words is "twenty-seven million, nine hundred ninety-five thousand, six hundred forty-eight".