27228384 has 36 divisors (see below), whose sum is σ = 77431536. Its totient is φ = 9076032.

The previous prime is 27228371. The next prime is 27228401. The reversal of 27228384 is 48382272.

27228384 is a `hidden beast` number, since 272 + 2 + 8 + 384 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46984 + ... + 47559.

It is an arithmetic number, because the mean of its divisors is an integer number (2150876).

Almost surely, 2^27228384 is an apocalyptic number.

27228384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

27228384 is an abundant number, since it is smaller than the sum of its proper divisors (50203152).

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

27228384 is a wasteful number, since it uses less digits than its factorization.

27228384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94559 (or 94548 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 27228384 is about 5218.0824064018. The cubic root of 27228384 is about 300.8434928434.

The spelling of 27228384 in words is "twenty-seven million, two hundred twenty-eight thousand, three hundred eighty-four".