4491243 has 6 divisors (see below), whose sum is σ = 6487364. Its totient is φ = 2994156.

The previous prime is 4491241. The next prime is 4491301. The reversal of 4491243 is 3421944.

4491243 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4491243 - 2¹ = 4491241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4491241) 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, 249505 + ... + 249522.

Almost surely, 2^4491243 is an apocalyptic number.

4491243 is a deficient number, since it is larger than the sum of its proper divisors (1996121).

4491243 is a wasteful number, since it uses less digits than its factorization.

4491243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499033 (or 499030 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 4491243 is about 2119.2552937294. The cubic root of 4491243 is about 164.9892003951.

The spelling of 4491243 in words is "four million, four hundred ninety-one thousand, two hundred forty-three".