27996488 has 32 divisors (see below), whose sum is σ = 56816760. Its totient is φ = 12856320.

The previous prime is 27996487. The next prime is 27996509. The reversal of 27996488 is 88469972.

It can be written as a sum of positive squares in 4 ways, for example, as 15194404 + 12802084 = 3898^2 + 3578^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27996487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24506 + ... + 25622.

Almost surely, 2^27996488 is an apocalyptic number.

It is an amenable number.

27996488 is an abundant number, since it is smaller than the sum of its proper divisors (28820272).

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

27996488 is a wasteful number, since it uses less digits than its factorization.

27996488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377 (or 1373 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 53.

The square root of 27996488 is about 5291.1707589153. The cubic root of 27996488 is about 303.6462008228.

The spelling of 27996488 in words is "twenty-seven million, nine hundred ninety-six thousand, four hundred eighty-eight".