432321 has 8 divisors (see below), whose sum is σ = 587520. Its totient is φ = 282672.

The previous prime is 432317. The next prime is 432323. The reversal of 432321 is 123234.

432321 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

432321 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 432321 - 2² = 432317 is a prime.

It is an alternating number because its digits alternate between even and odd.

432321 is strictly pandigital in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 432321.

It is not an unprimeable number, because it can be changed into a prime (432323) 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, 1201 + ... + 1518.

It is an arithmetic number, because the mean of its divisors is an integer number (73440).

2⁴³²³²¹ is an apocalyptic number.

It is an amenable number.

432321 is a deficient number, since it is larger than the sum of its proper divisors (155199).

432321 is a wasteful number, since it uses less digits than its factorization.

432321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775.

The product of its digits is 144, while the sum is 15.

The square root of 432321 is about 657.5112166344. The cubic root of 432321 is about 75.6139821847.

Adding to 432321 its reverse (123234), we get a palindrome (555555).

The spelling of 432321 in words is "four hundred thirty-two thousand, three hundred twenty-one".