27228648 has 32 divisors (see below), whose sum is σ = 68896800. Its totient is φ = 8966208.

The previous prime is 27228647. The next prime is 27228659. The reversal of 27228648 is 84682272.

It is not an unprimeable number, because it can be changed into a prime (27228647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4843 + ... + 8826.

It is an arithmetic number, because the mean of its divisors is an integer number (2153025).

Almost surely, 2^27228648 is an apocalyptic number.

It is an amenable number.

27228648 is an abundant number, since it is smaller than the sum of its proper divisors (41668152).

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

27228648 is a wasteful number, since it uses less digits than its factorization.

27228648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13761 (or 13757 counting only the distinct ones).

The product of its digits is 86016, while the sum is 39.

The square root of 27228648 is about 5218.1077029897. The cubic root of 27228648 is about 300.8444651428.

It can be divided in two parts, 272 and 28648, that added together give a triangular number (28920 = T₂₄₀).

The spelling of 27228648 in words is "twenty-seven million, two hundred twenty-eight thousand, six hundred forty-eight".