27944268 has 48 divisors (see below), whose sum is σ = 73436160. Its totient is φ = 8193600.

The previous prime is 27944263. The next prime is 27944291. The reversal of 27944268 is 86244972.

It is a super-2 number, since 2×27944268² = 1561764228111648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27944261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 678 + ... + 7506.

It is an arithmetic number, because the mean of its divisors is an integer number (1529920).

Almost surely, 2^27944268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27944268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36718080).

27944268 is an abundant number, since it is smaller than the sum of its proper divisors (45491892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27944268 is a wasteful number, since it uses less digits than its factorization.

27944268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6878 (or 6876 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 27944268 is about 5286.2338200273. The cubic root of 27944268 is about 303.4572929204.

The spelling of 27944268 in words is "twenty-seven million, nine hundred forty-four thousand, two hundred sixty-eight".