240647 has 8 divisors (see below), whose sum is σ = 266112. Its totient is φ = 215800.

The previous prime is 240641. The next prime is 240659. The reversal of 240647 is 746042.

240647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 240647 - 2⁴ = 240631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240641) 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, 1358 + ... + 1524.

It is an arithmetic number, because the mean of its divisors is an integer number (33264).

2²⁴⁰⁶⁴⁷ is an apocalyptic number.

240647 is a deficient number, since it is larger than the sum of its proper divisors (25465).

240647 is a wasteful number, since it uses less digits than its factorization.

240647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 240647 is about 490.5578457226. The cubic root of 240647 is about 62.2004438853.

Adding to 240647 its reverse (746042), we get a palindrome (986689).

The spelling of 240647 in words is "two hundred forty thousand, six hundred forty-seven".