591340 has 12 divisors (see below), whose sum is σ = 1241856. Its totient is φ = 236528.

The previous prime is 591319. The next prime is 591341. The reversal of 591340 is 43195.

It is not an unprimeable number, because it can be changed into a prime (591341) by changing a digit.

591340 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14764 + ... + 14803.

It is an arithmetic number, because the mean of its divisors is an integer number (103488).

2⁵⁹¹³⁴⁰ is an apocalyptic number.

It is an amenable number.

591340 is an abundant number, since it is smaller than the sum of its proper divisors (650516).

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

591340 is a wasteful number, since it uses less digits than its factorization.

591340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29576 (or 29574 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 591340 is about 768.9863457826. The cubic root of 591340 is about 83.9355136209.

The spelling of 591340 in words is "five hundred ninety-one thousand, three hundred forty".