558744 has 32 divisors (see below), whose sum is σ = 1443840. Its totient is φ = 180000.

The previous prime is 558731. The next prime is 558757. The reversal of 558744 is 447855.

It is an interprime number because it is at equal distance from previous prime (558731) and next prime (558757).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 558744.

It is an unprimeable number.

558744 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 369 + ... + 1119.

It is an arithmetic number, because the mean of its divisors is an integer number (45120).

2⁵⁵⁸⁷⁴⁴ 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 558744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (721920).

558744 is an abundant number, since it is smaller than the sum of its proper divisors (885096).

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

558744 is a wasteful number, since it uses less digits than its factorization.

558744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791 (or 787 counting only the distinct ones).

The product of its digits is 22400, while the sum is 33.

The square root of 558744 is about 747.4918059752. The cubic root of 558744 is about 82.3640368403.

Subtracting from 558744 its reverse (447855), we obtain a square (110889 = 333²).

The spelling of 558744 in words is "five hundred fifty-eight thousand, seven hundred forty-four".