27996036 has 24 divisors (see below), whose sum is σ = 65487744. Its totient is φ = 9308640.

The previous prime is 27995999. The next prime is 27996091. The reversal of 27996036 is 63069972.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2466 + ... + 7878.

It is an arithmetic number, because the mean of its divisors is an integer number (2728656).

Almost surely, 2^27996036 is an apocalyptic number.

It is an amenable number.

27996036 is an abundant number, since it is smaller than the sum of its proper divisors (37491708).

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

27996036 is a wasteful number, since it uses less digits than its factorization.

27996036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5851 (or 5849 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 27996036 is about 5291.1280460786. The cubic root of 27996036 is about 303.6445667033.

The spelling of 27996036 in words is "twenty-seven million, nine hundred ninety-six thousand, thirty-six".