240516 has 48 divisors (see below), whose sum is σ = 665280. Its totient is φ = 74880.

The previous prime is 240509. The next prime is 240517. The reversal of 240516 is 615042.

It is a happy number.

240516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 240516.

It is not an unprimeable number, because it can be changed into a prime (240517) by changing a digit.

240516 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 15 ways as a sum of consecutive naturals, for example, 1771 + ... + 1901.

It is an arithmetic number, because the mean of its divisors is an integer number (13860).

2²⁴⁰⁵¹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 240516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332640).

240516 is an abundant number, since it is smaller than the sum of its proper divisors (424764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

240516 is a wasteful number, since it uses less digits than its factorization.

240516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 240516 is about 490.4243060861. The cubic root of 240516 is about 62.1891552382.

Adding to 240516 its reverse (615042), we get a palindrome (855558).

The spelling of 240516 in words is "two hundred forty thousand, five hundred sixteen".