581048 has 32 divisors (see below), whose sum is σ = 1212960. Its totient is φ = 259200.

The previous prime is 581047. The next prime is 581069. The reversal of 581048 is 840185.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (581041) 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 7 ways as a sum of consecutive naturals, for example, 3773 + ... + 3923.

It is an arithmetic number, because the mean of its divisors is an integer number (37905).

2⁵⁸¹⁰⁴⁸ 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 581048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (606480).

581048 is an abundant number, since it is smaller than the sum of its proper divisors (631912).

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

581048 is a wasteful number, since it uses less digits than its factorization.

581048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 581048 is about 762.2650457682. The cubic root of 581048 is about 83.4457079508.

The spelling of 581048 in words is "five hundred eighty-one thousand, forty-eight".