27976228 has 24 divisors (see below), whose sum is σ = 56723072. Its totient is φ = 11824704.

The previous prime is 27976219. The next prime is 27976241. The reversal of 27976228 is 82267972.

It is a happy number.

It is an unprimeable number.

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, 4800 + ... + 8887.

Almost surely, 2^27976228 is an apocalyptic number.

27976228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

27976228 is an abundant number, since it is smaller than the sum of its proper divisors (28746844).

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

27976228 is a wasteful number, since it uses less digits than its factorization.

27976228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13771 (or 13769 counting only the distinct ones).

The product of its digits is 169344, while the sum is 43.

The square root of 27976228 is about 5289.2559022985. The cubic root of 27976228 is about 303.5729373884.

It can be divided in two parts, 2797 and 6228, that added together give a square (9025 = 95²).

The spelling of 27976228 in words is "twenty-seven million, nine hundred seventy-six thousand, two hundred twenty-eight".