27944043 has 4 divisors (see below), whose sum is σ = 37258728. Its totient is φ = 18629360.

The previous prime is 27944017. The next prime is 27944071. The reversal of 27944043 is 34044972.

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

It is a cyclic number.

It is not a de Polignac number, because 27944043 - 2¹⁴ = 27927659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27943995 and 27944013.

It is not an unprimeable number, because it can be changed into a prime (27944093) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4657338 + ... + 4657343.

It is an arithmetic number, because the mean of its divisors is an integer number (9314682).

Almost surely, 2^27944043 is an apocalyptic number.

27944043 is a deficient number, since it is larger than the sum of its proper divisors (9314685).

27944043 is an equidigital number, since it uses as much as digits as its factorization.

27944043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9314684.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 27944043 is about 5286.2125382924. The cubic root of 27944043 is about 303.4564784651.

The spelling of 27944043 in words is "twenty-seven million, nine hundred forty-four thousand, forty-three".