27988652 has 6 divisors (see below), whose sum is σ = 48980148. Its totient is φ = 13994324.

The previous prime is 27988637. The next prime is 27988661. The reversal of 27988652 is 25688972.

It is a junction number, because it is equal to n+sod(n) for n = 27988597 and 27988606.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3498578 + ... + 3498585.

It is an arithmetic number, because the mean of its divisors is an integer number (8163358).

Almost surely, 2^27988652 is an apocalyptic number.

It is an amenable number.

27988652 is a deficient number, since it is larger than the sum of its proper divisors (20991496).

27988652 is a wasteful number, since it uses less digits than its factorization.

27988652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6997167 (or 6997165 counting only the distinct ones).

The product of its digits is 483840, while the sum is 47.

The square root of 27988652 is about 5290.4302282518. The cubic root of 27988652 is about 303.6178687733.

The spelling of 27988652 in words is "twenty-seven million, nine hundred eighty-eight thousand, six hundred fifty-two".