2304240 has 40 divisors (see below), whose sum is σ = 7143888. Its totient is φ = 614400.

The previous prime is 2304233. The next prime is 2304251. The reversal of 2304240 is 424032.

It is a happy number.

2304240 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4561 + ... + 5040.

2^2304240 is an apocalyptic number.

2304240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2304240 is an abundant number, since it is smaller than the sum of its proper divisors (4839648).

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

2304240 is a wasteful number, since it uses less digits than its factorization.

2304240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9617 (or 9611 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 2304240 is about 1517.9723317637. The cubic root of 2304240 is about 132.0816758066.

Adding to 2304240 its reverse (424032), we get a palindrome (2728272).

The spelling of 2304240 in words is "two million, three hundred four thousand, two hundred forty".