27396228 has 12 divisors (see below), whose sum is σ = 63924560. Its totient is φ = 9132072.

The previous prime is 27396227. The next prime is 27396251. The reversal of 27396228 is 82269372.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (27396221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1141498 + ... + 1141521.

Almost surely, 2^27396228 is an apocalyptic number.

It is an amenable number.

27396228 is an abundant number, since it is smaller than the sum of its proper divisors (36528332).

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

27396228 is a wasteful number, since it uses less digits than its factorization.

27396228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2283026 (or 2283024 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 27396228 is about 5234.1406171405. The cubic root of 27396228 is about 301.4603904413.

The spelling of 27396228 in words is "twenty-seven million, three hundred ninety-six thousand, two hundred twenty-eight".