240304 has 20 divisors (see below), whose sum is σ = 486576. Its totient is φ = 114752.

The previous prime is 240287. The next prime is 240319. The reversal of 240304 is 403042.

240304 = 91² + 92² + ... + 113².

240304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42 + ... + 694.

2²⁴⁰³⁰⁴ 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 240304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243288).

240304 is an abundant number, since it is smaller than the sum of its proper divisors (246272).

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

240304 is a wasteful number, since it uses less digits than its factorization.

240304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 240304 is about 490.2081190678. The cubic root of 240304 is about 62.1708779005.

Adding to 240304 its reverse (403042), we get a palindrome (643346).

It can be divided in two parts, 2 and 40304, that multiplied together give a palindrome (80608).

The spelling of 240304 in words is "two hundred forty thousand, three hundred four", and thus it is an iban number.