240678 has 16 divisors (see below), whose sum is σ = 534960. Its totient is φ = 80208.

The previous prime is 240677. The next prime is 240701. The reversal of 240678 is 876042.

240678 is nontrivially palindromic in base 5.

240678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240677) 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, 2175 + ... + 2282.

It is an arithmetic number, because the mean of its divisors is an integer number (33435).

2²⁴⁰⁶⁷⁸ is an apocalyptic number.

240678 is an abundant number, since it is smaller than the sum of its proper divisors (294282).

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

240678 is a wasteful number, since it uses less digits than its factorization.

240678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4468 (or 4462 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 240678 is about 490.5894413866. The cubic root of 240678 is about 62.2031146450.

The spelling of 240678 in words is "two hundred forty thousand, six hundred seventy-eight".