240684 has 24 divisors (see below), whose sum is σ = 580608. Its totient is φ = 77520.

The previous prime is 240677. The next prime is 240701. The reversal of 240684 is 486042.

240684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

240684 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 7 ways as a sum of consecutive naturals, for example, 49 + ... + 695.

It is an arithmetic number, because the mean of its divisors is an integer number (24192).

2²⁴⁰⁶⁸⁴ is an apocalyptic number.

It is an amenable number.

240684 is an abundant number, since it is smaller than the sum of its proper divisors (339924).

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

240684 is a wasteful number, since it uses less digits than its factorization.

240684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 240684 is about 490.5955564414. The cubic root of 240684 is about 62.2036315398.

The spelling of 240684 in words is "two hundred forty thousand, six hundred eighty-four".