27986496 has 56 divisors (see below), whose sum is σ = 75127104. Its totient is φ = 9192960.

The previous prime is 27986489. The next prime is 27986501. The reversal of 27986496 is 69468972.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12606 + ... + 14658.

Almost surely, 2^27986496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27986496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37563552).

27986496 is an abundant number, since it is smaller than the sum of its proper divisors (47140608).

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

27986496 is a wasteful number, since it uses less digits than its factorization.

27986496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139 (or 2129 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 51.

The square root of 27986496 is about 5290.2264601811. The cubic root of 27986496 is about 303.6100725549.

It can be divided in two parts, 27986 and 496, that added together give a palindrome (28482).

The spelling of 27986496 in words is "twenty-seven million, nine hundred eighty-six thousand, four hundred ninety-six".