430820 has 24 divisors (see below), whose sum is σ = 974904. Its totient is φ = 158976.

The previous prime is 430819. The next prime is 430823. The reversal of 430820 is 28034.

It can be written as a sum of positive squares in 4 ways, for example, as 484 + 430336 = 22^2 + 656^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 430820.

It is not an unprimeable number, because it can be changed into a prime (430823) 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, 569 + ... + 1088.

It is an arithmetic number, because the mean of its divisors is an integer number (40621).

2⁴³⁰⁸²⁰ is an apocalyptic number.

It is an amenable number.

430820 is an abundant number, since it is smaller than the sum of its proper divisors (544084).

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

430820 is a wasteful number, since it uses less digits than its factorization.

430820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679 (or 1677 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 430820 is about 656.3687987709. The cubic root of 430820 is about 75.5263712097.

Adding to 430820 its reverse (28034), we get a palindrome (458854).

The spelling of 430820 in words is "four hundred thirty thousand, eight hundred twenty".