424566 has 24 divisors (see below), whose sum is σ = 932880. Its totient is φ = 139536.

The previous prime is 424559. The next prime is 424573. The reversal of 424566 is 665424.

It is a happy number.

424566 is nontrivially palindromic in base 16.

It is an interprime number because it is at equal distance from previous prime (424559) and next prime (424573).

It is a congruent number.

It is an unprimeable number.

424566 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1740 + ... + 1968.

It is an arithmetic number, because the mean of its divisors is an integer number (38870).

2⁴²⁴⁵⁶⁶ is an apocalyptic number.

424566 is an abundant number, since it is smaller than the sum of its proper divisors (508314).

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

424566 is a wasteful number, since it uses less digits than its factorization.

424566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 337 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 424566 is about 651.5872926938. The cubic root of 424566 is about 75.1591288015.

It can be divided in two parts, 424 and 566, that added together give a triangular number (990 = T₄₄).

The spelling of 424566 in words is "four hundred twenty-four thousand, five hundred sixty-six".