240658 has 8 divisors (see below), whose sum is σ = 393840. Its totient is φ = 109380.

The previous prime is 240641. The next prime is 240659. The reversal of 240658 is 856042.

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

It is not an unprimeable number, because it can be changed into a prime (240659) by changing a digit.

240658 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 3 ways as a sum of consecutive naturals, for example, 5448 + ... + 5491.

It is an arithmetic number, because the mean of its divisors is an integer number (49230).

2²⁴⁰⁶⁵⁸ is an apocalyptic number.

240658 is a deficient number, since it is larger than the sum of its proper divisors (153182).

240658 is a wasteful number, since it uses less digits than its factorization.

240658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10952.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 240658 is about 490.5690573202. The cubic root of 240658 is about 62.2013916005.

It can be divided in two parts, 240 and 658, that added together give a palindrome (898).

The spelling of 240658 in words is "two hundred forty thousand, six hundred fifty-eight".