27384220 has 24 divisors (see below), whose sum is σ = 57726144. Its totient is φ = 10911936.

The previous prime is 27384211. The next prime is 27384233. The reversal of 27384220 is 2248372.

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, 3069 + ... + 8011.

It is an arithmetic number, because the mean of its divisors is an integer number (2405256).

Almost surely, 2^27384220 is an apocalyptic number.

27384220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27384220 is an abundant number, since it is smaller than the sum of its proper divisors (30341924).

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

27384220 is a wasteful number, since it uses less digits than its factorization.

27384220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5229 (or 5227 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 27384220 is about 5232.9934072192. The cubic root of 27384220 is about 301.4163397861.

The spelling of 27384220 in words is "twenty-seven million, three hundred eighty-four thousand, two hundred twenty".