27944113 has 4 divisors (see below), whose sum is σ = 28845568. Its totient is φ = 27042660.

The previous prime is 27944101. The next prime is 27944167. The reversal of 27944113 is 31144972.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27944113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 901423 = 27944113 / (2 + 7 + 9 + 4 + 4 + 1 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27944713) 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, 450681 + ... + 450742.

It is an arithmetic number, because the mean of its divisors is an integer number (7211392).

Almost surely, 2^27944113 is an apocalyptic number.

It is an amenable number.

27944113 is a deficient number, since it is larger than the sum of its proper divisors (901455).

27944113 is an equidigital number, since it uses as much as digits as its factorization.

27944113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901454.

The product of its digits is 6048, while the sum is 31.

The square root of 27944113 is about 5286.2191592858. The cubic root of 27944113 is about 303.4567318516.

The spelling of 27944113 in words is "twenty-seven million, nine hundred forty-four thousand, one hundred thirteen".