432018 has 12 divisors (see below), whose sum is σ = 936078. Its totient is φ = 144000.

The previous prime is 432007. The next prime is 432023. The reversal of 432018 is 810234.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 400689 + 31329 = 633^2 + 177^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 24001 = 432018 / (4 + 3 + 2 + 0 + 1 + 8).

It is a Curzon number.

It is an unprimeable number.

432018 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 5 ways as a sum of consecutive naturals, for example, 11983 + ... + 12018.

2⁴³²⁰¹⁸ is an apocalyptic number.

432018 is an abundant number, since it is smaller than the sum of its proper divisors (504060).

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

432018 is a wasteful number, since it uses less digits than its factorization.

432018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24009 (or 24006 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 432018 is about 657.2807619275. The cubic root of 432018 is about 75.5963129133.

The spelling of 432018 in words is "four hundred thirty-two thousand, eighteen".