591140 has 24 divisors (see below), whose sum is σ = 1354752. Its totient is φ = 214880.

The previous prime is 591137. The next prime is 591161. The reversal of 591140 is 41195.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1124 + ... + 1563.

It is an arithmetic number, because the mean of its divisors is an integer number (56448).

2⁵⁹¹¹⁴⁰ is an apocalyptic number.

It is an amenable number.

591140 is an abundant number, since it is smaller than the sum of its proper divisors (763612).

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

591140 is a wasteful number, since it uses less digits than its factorization.

591140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2707 (or 2705 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 591140 is about 768.8562934645. The cubic root of 591140 is about 83.9260498068.

Subtracting from 591140 its reverse (41195), we obtain a palindrome (549945).

The spelling of 591140 in words is "five hundred ninety-one thousand, one hundred forty".