27886196 has 12 divisors (see below), whose sum is σ = 52554852. Its totient is φ = 12870528.

The previous prime is 27886193. The next prime is 27886223. The reversal of 27886196 is 69168872.

It can be written as a sum of positive squares in 2 ways, for example, as 16080100 + 11806096 = 4010^2 + 3436^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27886196.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27886193) 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 3 ways as a sum of consecutive naturals, for example, 268085 + ... + 268188.

It is an arithmetic number, because the mean of its divisors is an integer number (4379571).

Almost surely, 2^27886196 is an apocalyptic number.

27886196 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

27886196 is a deficient number, since it is larger than the sum of its proper divisors (24668656).

27886196 is a wasteful number, since it uses less digits than its factorization.

27886196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536290 (or 536288 counting only the distinct ones).

The product of its digits is 290304, while the sum is 47.

The square root of 27886196 is about 5280.7382059708. The cubic root of 27886196 is about 303.2469385911.

It can be divided in two parts, 27886 and 196, that added together give a palindrome (28082).

The spelling of 27886196 in words is "twenty-seven million, eight hundred eighty-six thousand, one hundred ninety-six".