2394240 has 128 divisors (see below), whose sum is σ = 8078400. Its totient is φ = 602112.

The previous prime is 2394239. The next prime is 2394241. The reversal of 2394240 is 424932.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2394239) and next prime (2394241).

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2394240.

It is not an unprimeable number, because it can be changed into a prime (2394241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55659 + ... + 55701.

2^2394240 is an apocalyptic number.

2394240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2394240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4039200).

2394240 is an abundant number, since it is smaller than the sum of its proper divisors (5684160).

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

2394240 is a wasteful number, since it uses less digits than its factorization.

2394240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2394240 is about 1547.3331897171. Note that the first 3 decimals coincide. The cubic root of 2394240 is about 133.7793949426.

The spelling of 2394240 in words is "two million, three hundred ninety-four thousand, two hundred forty".