430669 has 4 divisors (see below), whose sum is σ = 432540. Its totient is φ = 428800.

The previous prime is 430663. The next prime is 430691. The reversal of 430669 is 966034.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 966034 = 2 ⋅483017.

It can be written as a sum of positive squares in 2 ways, for example, as 260100 + 170569 = 510^2 + 413^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-430669 is a prime.

It is a super-2 number, since 2×430669² = 370951575122, which contains 22 as substring.

It is a Duffinian number.

430669 is a lucky number.

It is a congruent number.

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, 532 + ... + 1069.

It is an arithmetic number, because the mean of its divisors is an integer number (108135).

2⁴³⁰⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

430669 is a deficient number, since it is larger than the sum of its proper divisors (1871).

430669 is a wasteful number, since it uses less digits than its factorization.

430669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 430669 is about 656.2537618940. The cubic root of 430669 is about 75.5175463217.

The spelling of 430669 in words is "four hundred thirty thousand, six hundred sixty-nine".