27944319 has 12 divisors (see below), whose sum is σ = 40346376. Its totient is φ = 17196192.

The previous prime is 27944297. The next prime is 27944339. The reversal of 27944319 is 91344972.

It is a de Polignac number, because none of the positive numbers 2^k-27944319 is a prime.

It is a super-2 number, since 2×27944319² = 1561769928747522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27944339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27052 + ... + 28065.

It is an arithmetic number, because the mean of its divisors is an integer number (3362198).

Almost surely, 2^27944319 is an apocalyptic number.

27944319 is a deficient number, since it is larger than the sum of its proper divisors (12402057).

27944319 is a wasteful number, since it uses less digits than its factorization.

27944319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55146 (or 55133 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 27944319 is about 5286.2386438752. The cubic root of 27944319 is about 303.4574775297.

The spelling of 27944319 in words is "twenty-seven million, nine hundred forty-four thousand, three hundred nineteen".