430520 has 32 divisors (see below), whose sum is σ = 993600. Its totient is φ = 167808.

The previous prime is 430517. The next prime is 430543. The reversal of 430520 is 25034.

It is a junction number, because it is equal to n+sod(n) for n = 430495 and 430504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1766 + ... + 1994.

It is an arithmetic number, because the mean of its divisors is an integer number (31050).

2⁴³⁰⁵²⁰ is an apocalyptic number.

430520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 430520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (496800).

430520 is an abundant number, since it is smaller than the sum of its proper divisors (563080).

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

430520 is a wasteful number, since it uses less digits than its factorization.

430520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 430520 is about 656.1402289145. The cubic root of 430520 is about 75.5088362975.

Adding to 430520 its reverse (25034), we get a palindrome (455554).

The spelling of 430520 in words is "four hundred thirty thousand, five hundred twenty".