240432 has 20 divisors (see below), whose sum is σ = 621240. Its totient is φ = 80128.

The previous prime is 240421. The next prime is 240433. The reversal of 240432 is 234042.

It is a happy number.

240432 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

240432 is a modest number, since divided by 432 gives 240 as remainder.

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

240432 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, 2457 + ... + 2552.

It is an arithmetic number, because the mean of its divisors is an integer number (31062).

2²⁴⁰⁴³² is an apocalyptic number.

It is an amenable number.

240432 is an abundant number, since it is smaller than the sum of its proper divisors (380808).

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

240432 is a wasteful number, since it uses less digits than its factorization.

240432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5020 (or 5014 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 240432 is about 490.3386584800. The cubic root of 240432 is about 62.1819145594.

Adding to 240432 its reverse (234042), we get a palindrome (474474).

The spelling of 240432 in words is "two hundred forty thousand, four hundred thirty-two".