424589 has 10 divisors (see below), whose sum is σ = 483150. Its totient is φ = 372680.

The previous prime is 424577. The next prime is 424597. The reversal of 424589 is 985424.

It can be written as a sum of positive squares in only one way, i.e., 366025 + 58564 = 605^2 + 242^2 .

It is not a de Polignac number, because 424589 - 2⁴ = 424573 is a prime.

It is a Duffinian number.

Its product of digits (11520) is a multiple of the sum of its prime divisors (40).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424519) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 14627 + ... + 14655.

It is an arithmetic number, because the mean of its divisors is an integer number (48315).

2⁴²⁴⁵⁸⁹ is an apocalyptic number.

It is an amenable number.

424589 is a deficient number, since it is larger than the sum of its proper divisors (58561).

424589 is an frugal number, since it uses more digits than its factorization.

424589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73 (or 40 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 424589 is about 651.6049416633. The cubic root of 424589 is about 75.1604859747.

It can be divided in two parts, 4245 and 89, that added together give a palindrome (4334).

The spelling of 424589 in words is "four hundred twenty-four thousand, five hundred eighty-nine".