432666 has 36 divisors (see below), whose sum is σ = 1033578. Its totient is φ = 130032.

The previous prime is 432661. The next prime is 432713. The reversal of 432666 is 666234.

It can be written as a sum of positive squares in only one way, i.e., 416025 + 16641 = 645^2 + 129^2 .

432666 is a modest number, since divided by 666 gives 432 as remainder.

It is not an unprimeable number, because it can be changed into a prime (432661) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10041 + ... + 10083.

2⁴³²⁶⁶⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 432666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (516789).

432666 is an abundant number, since it is smaller than the sum of its proper divisors (600912).

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

432666 is a wasteful number, since it uses less digits than its factorization.

432666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 61 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 432666 is about 657.7735172535. The cubic root of 432666 is about 75.6340906131.

The spelling of 432666 in words is "four hundred thirty-two thousand, six hundred sixty-six".