240443 has 8 divisors (see below), whose sum is σ = 280800. Its totient is φ = 205800.

The previous prime is 240437. The next prime is 240473. The reversal of 240443 is 344042.

It is not a de Polignac number, because 240443 - 2⁶ = 240379 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 240443.

It is not an unprimeable number, because it can be changed into a prime (240433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8 + ... + 693.

It is an arithmetic number, because the mean of its divisors is an integer number (35100).

2²⁴⁰⁴⁴³ is an apocalyptic number.

240443 is a deficient number, since it is larger than the sum of its proper divisors (40357).

240443 is an frugal number, since it uses more digits than its factorization.

240443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 240443 is about 490.3498750892. The cubic root of 240443 is about 62.1828628395.

Adding to 240443 its reverse (344042), we get a palindrome (584485).

The spelling of 240443 in words is "two hundred forty thousand, four hundred forty-three", and thus it is an iban number.