430666 has 8 divisors (see below), whose sum is σ = 648900. Its totient is φ = 214368.

The previous prime is 430663. The next prime is 430691. The reversal of 430666 is 666034.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 416025 + 14641 = 645^2 + 121^2 .

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

430666 is a modest number, since divided by 666 gives 430 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 430666.

It is not an unprimeable number, because it can be changed into a prime (430663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390 + ... + 1006.

2⁴³⁰⁶⁶⁶ is an apocalyptic number.

430666 is a deficient number, since it is larger than the sum of its proper divisors (218234).

430666 is a wasteful number, since it uses less digits than its factorization.

430666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 430666 is about 656.2514761888. The cubic root of 430666 is about 75.5173709719.

The spelling of 430666 in words is "four hundred thirty thousand, six hundred sixty-six".