240338609 has 8 divisors (see below), whose sum is σ = 275098560. Its totient is φ = 205685136.

The previous prime is 240338591. The next prime is 240338617. The reversal of 240338609 is 906833042.

It is a happy number.

240338609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 240338609 - 2¹⁶ = 240273073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240338669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21719 + ... + 30860.

It is an arithmetic number, because the mean of its divisors is an integer number (34387320).

Almost surely, 2^240338609 is an apocalyptic number.

It is an amenable number.

240338609 is a deficient number, since it is larger than the sum of its proper divisors (34759951).

240338609 is an equidigital number, since it uses as much as digits as its factorization.

240338609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53239.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 240338609 is about 15502.8580913327. The cubic root of 240338609 is about 621.7386240989.

The spelling of 240338609 in words is "two hundred forty million, three hundred thirty-eight thousand, six hundred nine".