27244 has 18 divisors (see below), whose sum is σ = 55860. Its totient is φ = 11592.

The previous prime is 27241. The next prime is 27253. The reversal of 27244 is 44272.

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (27241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 127 + ... + 265.

2²⁷²⁴⁴ 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 27244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27930).

27244 is an abundant number, since it is smaller than the sum of its proper divisors (28616).

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

27244 is a wasteful number, since it uses less digits than its factorization.

27244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 148 counting only the distinct ones).

The product of its digits is 448, while the sum is 19.

The square root of 27244 is about 165.0575657157. The cubic root of 27244 is about 30.0900995021.

Subtracting from 27244 its sum of digits (19), we obtain a square (27225 = 165²).

Subtracting from 27244 its product of digits (448), we obtain a triangular number (26796 = T₂₃₁).

The spelling of 27244 in words is "twenty-seven thousand, two hundred forty-four", and thus it is an iban number.