4427 has 4 divisors (see below), whose sum is σ = 4680. Its totient is φ = 4176.

The previous prime is 4423. The next prime is 4441. The reversal of 4427 is 7244.

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 4427 - 2² = 4423 is a prime.

It is a magnanimous number.

It is a Duffinian number.

It is a plaindrome in base 12 and base 16.

It is not an unprimeable number, because it can be changed into a prime (4421) 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, 98 + ... + 135.

It is an arithmetic number, because the mean of its divisors is an integer number (1170).

2⁴⁴²⁷ is an apocalyptic number.

4427 is a deficient number, since it is larger than the sum of its proper divisors (253).

4427 is a wasteful number, since it uses less digits than its factorization.

4427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252.

The product of its digits is 224, while the sum is 17.

The square root of 4427 is about 66.5357047006. The cubic root of 4427 is about 16.4198747742.

Adding to 4427 its sum of digits (17), we get a palindrome (4444).

The spelling of 4427 in words is "four thousand, four hundred twenty-seven", and thus it is an iban number.