240635 has 16 divisors (see below), whose sum is σ = 324000. Its totient is φ = 170496.

The previous prime is 240631. The next prime is 240641. The reversal of 240635 is 536042.

It is a cyclic number.

It is not a de Polignac number, because 240635 - 2² = 240631 is a prime.

It is not an unprimeable number, because it can be changed into a prime (240631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1541 + ... + 1689.

It is an arithmetic number, because the mean of its divisors is an integer number (20250).

2²⁴⁰⁶³⁵ is an apocalyptic number.

240635 is a deficient number, since it is larger than the sum of its proper divisors (83365).

240635 is a wasteful number, since it uses less digits than its factorization.

240635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 240635 is about 490.5456145966. The cubic root of 240635 is about 62.1994099812.

Adding to 240635 its reverse (536042), we get a palindrome (776677).

The spelling of 240635 in words is "two hundred forty thousand, six hundred thirty-five".