240355 has 8 divisors (see below), whose sum is σ = 294192. Its totient is φ = 188448.

The previous prime is 240353. The next prime is 240371. The reversal of 240355 is 553042.

It is a happy number.

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 240355 - 2¹ = 240353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240353) 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 7 ways as a sum of consecutive naturals, for example, 189 + ... + 718.

It is an arithmetic number, because the mean of its divisors is an integer number (36774).

2²⁴⁰³⁵⁵ is an apocalyptic number.

240355 is a deficient number, since it is larger than the sum of its proper divisors (53837).

240355 is an equidigital number, since it uses as much as digits as its factorization.

240355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 240355 is about 490.2601350304. The cubic root of 240355 is about 62.1752757889.

Adding to 240355 its reverse (553042), we get a palindrome (793397).

It can be divided in two parts, 240 and 355, that added together give a palindrome (595).

The spelling of 240355 in words is "two hundred forty thousand, three hundred fifty-five".