432618 has 8 divisors (see below), whose sum is σ = 865248. Its totient is φ = 144204.

The previous prime is 432613. The next prime is 432631. The reversal of 432618 is 816234.

It is a happy number.

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

432618 is an admirable number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (432613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36046 + ... + 36057.

It is an arithmetic number, because the mean of its divisors is an integer number (108156).

2⁴³²⁶¹⁸ is an apocalyptic number.

432618 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

432618 is a wasteful number, since it uses less digits than its factorization.

432618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72108.

The product of its digits is 1152, while the sum is 24.

The square root of 432618 is about 657.7370295186. The cubic root of 432618 is about 75.6312935591.

The spelling of 432618 in words is "four hundred thirty-two thousand, six hundred eighteen".