240847 has 4 divisors (see below), whose sum is σ = 242136. Its totient is φ = 239560.

The previous prime is 240841. The next prime is 240853. The reversal of 240847 is 748042.

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

It is an interprime number because it is at equal distance from previous prime (240841) and next prime (240853).

It is a cyclic number.

It is not a de Polignac number, because 240847 - 2⁷ = 240719 is a prime.

It is a Duffinian 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 (240841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304 + ... + 757.

It is an arithmetic number, because the mean of its divisors is an integer number (60534).

2²⁴⁰⁸⁴⁷ is an apocalyptic number.

240847 is a deficient number, since it is larger than the sum of its proper divisors (1289).

240847 is a wasteful number, since it uses less digits than its factorization.

240847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 240847 is about 490.7616529437. The cubic root of 240847 is about 62.2176705618.

Adding to 240847 its reverse (748042), we get a palindrome (988889).

The spelling of 240847 in words is "two hundred forty thousand, eight hundred forty-seven".