240590 has 24 divisors (see below), whose sum is σ = 504792. Its totient is φ = 82320.

The previous prime is 240589. The next prime is 240599. The reversal of 240590 is 95042.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240599) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 245 + ... + 735.

It is an arithmetic number, because the mean of its divisors is an integer number (21033).

2²⁴⁰⁵⁹⁰ is an apocalyptic number.

It is a pronic number, being equal to 490×491.

240590 is an abundant number, since it is smaller than the sum of its proper divisors (264202).

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

240590 is a wasteful number, since it uses less digits than its factorization.

240590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512 (or 505 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 240590 is about 490.4997451579. The cubic root of 240590 is about 62.1955325348.

The spelling of 240590 in words is "two hundred forty thousand, five hundred ninety".