424520 has 16 divisors (see below), whose sum is σ = 955260. Its totient is φ = 169792.

The previous prime is 424519. The next prime is 424537. The reversal of 424520 is 25424.

It can be written as a sum of positive squares in 2 ways, for example, as 386884 + 37636 = 622^2 + 194^2 .

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 424520.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5267 + ... + 5346.

2⁴²⁴⁵²⁰ is an apocalyptic number.

424520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

424520 is an abundant number, since it is smaller than the sum of its proper divisors (530740).

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

424520 is a wasteful number, since it uses less digits than its factorization.

424520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10624 (or 10620 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 424520 is about 651.5519933206. The cubic root of 424520 is about 75.1564143082.

Adding to 424520 its reverse (25424), we get a palindrome (449944).

The spelling of 424520 in words is "four hundred twenty-four thousand, five hundred twenty".