430643 has 8 divisors (see below), whose sum is σ = 450528. Its totient is φ = 411264.

The previous prime is 430603. The next prime is 430649. The reversal of 430643 is 346034.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 430643 - 2⁶ = 430579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (430649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3755 + ... + 3867.

It is an arithmetic number, because the mean of its divisors is an integer number (56316).

2⁴³⁰⁶⁴³ is an apocalyptic number.

430643 is a deficient number, since it is larger than the sum of its proper divisors (19885).

430643 is a wasteful number, since it uses less digits than its factorization.

430643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 430643 is about 656.2339521847. The cubic root of 430643 is about 75.5160265964.

Adding to 430643 its reverse (346034), we get a palindrome (776677).

The spelling of 430643 in words is "four hundred thirty thousand, six hundred forty-three".