585040 has 40 divisors (see below), whose sum is σ = 1392768. Its totient is φ = 228480.

The previous prime is 585037. The next prime is 585041. The reversal of 585040 is 40585.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (585041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5629 + ... + 5731.

2⁵⁸⁵⁰⁴⁰ 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 585040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (696384).

585040 is an abundant number, since it is smaller than the sum of its proper divisors (807728).

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

585040 is a wasteful number, since it uses less digits than its factorization.

585040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 585040 is about 764.8790754100. The cubic root of 585040 is about 83.6363722289.

The spelling of 585040 in words is "five hundred eighty-five thousand, forty".