240947 has 4 divisors (see below), whose sum is σ = 275376. Its totient is φ = 206520.

The previous prime is 240943. The next prime is 240953. The reversal of 240947 is 749042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 240947 - 2² = 240943 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17204 + ... + 17217.

It is an arithmetic number, because the mean of its divisors is an integer number (68844).

2²⁴⁰⁹⁴⁷ is an apocalyptic number.

240947 is a deficient number, since it is larger than the sum of its proper divisors (34429).

240947 is an equidigital number, since it uses as much as digits as its factorization.

240947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34428.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 240947 is about 490.8635248213. The cubic root of 240947 is about 62.2262803240.

Adding to 240947 its reverse (749042), we get a palindrome (989989).

The spelling of 240947 in words is "two hundred forty thousand, nine hundred forty-seven".