432540 has 72 divisors (see below), whose sum is σ = 1375920. Its totient is φ = 114048.

The previous prime is 432539. The next prime is 432557. The reversal of 432540 is 45234.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 432540.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4816 + ... + 4904.

It is an arithmetic number, because the mean of its divisors is an integer number (19110).

2⁴³²⁵⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 432540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (687960).

432540 is an abundant number, since it is smaller than the sum of its proper divisors (943380).

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

432540 is a wasteful number, since it uses less digits than its factorization.

432540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 432540 is about 657.6777326320. The cubic root of 432540 is about 75.6267479049.

Adding to 432540 its reverse (45234), we get a palindrome (477774).

The spelling of 432540 in words is "four hundred thirty-two thousand, five hundred forty".