424564 has 24 divisors (see below), whose sum is σ = 866880. Its totient is φ = 178176.

The previous prime is 424559. The next prime is 424573. The reversal of 424564 is 465424.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1524 + ... + 1780.

It is an arithmetic number, because the mean of its divisors is an integer number (36120).

2⁴²⁴⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

424564 is an abundant number, since it is smaller than the sum of its proper divisors (442316).

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

424564 is a wasteful number, since it uses less digits than its factorization.

424564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327 (or 325 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 424564 is about 651.5857579782. The cubic root of 424564 is about 75.1590107842.

Adding to 424564 its reverse (465424), we get a palindrome (889988).

The spelling of 424564 in words is "four hundred twenty-four thousand, five hundred sixty-four".