27384393 has 4 divisors (see below), whose sum is σ = 36512528. Its totient is φ = 18256260.

The previous prime is 27384389. The next prime is 27384407. The reversal of 27384393 is 39348372.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 27384393 - 2² = 27384389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27384353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4564063 + ... + 4564068.

It is an arithmetic number, because the mean of its divisors is an integer number (9128132).

Almost surely, 2^27384393 is an apocalyptic number.

It is an amenable number.

27384393 is a deficient number, since it is larger than the sum of its proper divisors (9128135).

27384393 is an equidigital number, since it uses as much as digits as its factorization.

27384393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9128134.

The product of its digits is 108864, while the sum is 39.

The square root of 27384393 is about 5233.0099369292. The cubic root of 27384393 is about 301.4169745180.

It can be divided in two parts, 273 and 84393, that added together give a triangular number (84666 = T₄₁₁).

The spelling of 27384393 in words is "twenty-seven million, three hundred eighty-four thousand, three hundred ninety-three".