27479228 has 24 divisors (see below), whose sum is σ = 55998432. Its totient is φ = 11553984.

The previous prime is 27479203. The next prime is 27479251. The reversal of 27479228 is 82297472.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 7775 + ... + 10742.

It is an arithmetic number, because the mean of its divisors is an integer number (2333268).

Almost surely, 2^27479228 is an apocalyptic number.

27479228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

27479228 is an abundant number, since it is smaller than the sum of its proper divisors (28519204).

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

27479228 is a wasteful number, since it uses less digits than its factorization.

27479228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18581 (or 18579 counting only the distinct ones).

The product of its digits is 112896, while the sum is 41.

The square root of 27479228 is about 5242.0633342225. The cubic root of 27479228 is about 301.7645197378.

The spelling of 27479228 in words is "twenty-seven million, four hundred seventy-nine thousand, two hundred twenty-eight".