423744 has 28 divisors (see below), whose sum is σ = 1121664. Its totient is φ = 141184.

The previous prime is 423727. The next prime is 423749. The reversal of 423744 is 447324.

423744 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423749) by changing a digit.

423744 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 912 + ... + 1295.

2⁴²³⁷⁴⁴ is an apocalyptic number.

It is an amenable number.

423744 is an abundant number, since it is smaller than the sum of its proper divisors (697920).

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

423744 is a wasteful number, since it uses less digits than its factorization.

423744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222 (or 2212 counting only the distinct ones).

The product of its digits is 2688, while the sum is 24.

The square root of 423744 is about 650.9562197260. The cubic root of 423744 is about 75.1105923997.

The spelling of 423744 in words is "four hundred twenty-three thousand, seven hundred forty-four", and thus it is an iban number.