27849223 has 4 divisors (see below), whose sum is σ = 28052640. Its totient is φ = 27645808.

The previous prime is 27849187. The next prime is 27849233. The reversal of 27849223 is 32294872.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27849223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27849233) 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, 101503 + ... + 101776.

It is an arithmetic number, because the mean of its divisors is an integer number (7013160).

Almost surely, 2^27849223 is an apocalyptic number.

27849223 is a deficient number, since it is larger than the sum of its proper divisors (203417).

27849223 is a wasteful number, since it uses less digits than its factorization.

27849223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203416.

The product of its digits is 48384, while the sum is 37.

The square root of 27849223 is about 5277.2363032178. The cubic root of 27849223 is about 303.1128590170.

The spelling of 27849223 in words is "twenty-seven million, eight hundred forty-nine thousand, two hundred twenty-three".