432420 has 24 divisors (see below), whose sum is σ = 1210944. Its totient is φ = 115296.

The previous prime is 432413. The next prime is 432433. The reversal of 432420 is 24234.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 432420.

It is an unprimeable number.

432420 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 7 ways as a sum of consecutive naturals, for example, 3544 + ... + 3663.

It is an arithmetic number, because the mean of its divisors is an integer number (50456).

2⁴³²⁴²⁰ is an apocalyptic number.

It is an amenable number.

432420 is an abundant number, since it is smaller than the sum of its proper divisors (778524).

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

432420 is a wasteful number, since it uses less digits than its factorization.

432420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7219 (or 7217 counting only the distinct ones).

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

The square root of 432420 is about 657.5864962117. The cubic root of 432420 is about 75.6197535235.

Adding to 432420 its reverse (24234), we get a palindrome (456654).

The spelling of 432420 in words is "four hundred thirty-two thousand, four hundred twenty".