27988948 has 12 divisors (see below), whose sum is σ = 52748500. Its totient is φ = 12917952.

The previous prime is 27988943. The next prime is 27988969. The reversal of 27988948 is 84988972.

It can be written as a sum of positive squares in 2 ways, for example, as 2304324 + 25684624 = 1518^2 + 5068^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27988943) 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, 269073 + ... + 269176.

Almost surely, 2^27988948 is an apocalyptic number.

It is an amenable number.

27988948 is a deficient number, since it is larger than the sum of its proper divisors (24759552).

27988948 is a wasteful number, since it uses less digits than its factorization.

27988948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538266 (or 538264 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 55.

The square root of 27988948 is about 5290.4582032183. The cubic root of 27988948 is about 303.6189390949.

The spelling of 27988948 in words is "twenty-seven million, nine hundred eighty-eight thousand, nine hundred forty-eight".