432405 has 16 divisors (see below), whose sum is σ = 768960. Its totient is φ = 230544.

The previous prime is 432401. The next prime is 432413. The reversal of 432405 is 504234.

It is a happy number.

It is not a de Polignac number, because 432405 - 2² = 432401 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1467 + ... + 1736.

It is an arithmetic number, because the mean of its divisors is an integer number (48060).

2⁴³²⁴⁰⁵ is an apocalyptic number.

432405 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

432405 is a deficient number, since it is larger than the sum of its proper divisors (336555).

432405 is a wasteful number, since it uses less digits than its factorization.

432405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3217 (or 3211 counting only the distinct ones).

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

The square root of 432405 is about 657.5750907691. The cubic root of 432405 is about 75.6188791349.

Adding to 432405 its reverse (504234), we get a palindrome (936639).

The spelling of 432405 in words is "four hundred thirty-two thousand, four hundred five".