558420 has 48 divisors (see below), whose sum is σ = 1608768. Its totient is φ = 144640.

The previous prime is 558413. The next prime is 558421. The reversal of 558420 is 24855.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (558421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2347 + ... + 2573.

It is an arithmetic number, because the mean of its divisors is an integer number (33516).

2⁵⁵⁸⁴²⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 558420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (804384).

558420 is an abundant number, since it is smaller than the sum of its proper divisors (1050348).

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

558420 is a wasteful number, since it uses less digits than its factorization.

558420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 558420 is about 747.2750497641. The cubic root of 558420 is about 82.3481135625.

The spelling of 558420 in words is "five hundred fifty-eight thousand, four hundred twenty".