4240340 has 48 divisors (see below), whose sum is σ = 9821952. Its totient is φ = 1527936.

The previous prime is 4240319. The next prime is 4240381. The reversal of 4240340 is 430424.

4240340 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12047 + ... + 12393.

It is an arithmetic number, because the mean of its divisors is an integer number (204624).

Almost surely, 2^4240340 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 4240340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4910976).

4240340 is an abundant number, since it is smaller than the sum of its proper divisors (5581612).

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

4240340 is a wasteful number, since it uses less digits than its factorization.

4240340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 4240340 is about 2059.2085858407. The cubic root of 4240340 is about 161.8577728471.

Adding to 4240340 its reverse (430424), we get a palindrome (4670764).

The spelling of 4240340 in words is "four million, two hundred forty thousand, three hundred forty".