4243340 has 12 divisors (see below), whose sum is σ = 8911056. Its totient is φ = 1697328.

The previous prime is 4243321. The next prime is 4243357. The reversal of 4243340 is 433424.

4243340 = 306² + 307² + ... + 345².

It is a happy number.

4243340 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 212167 = 4243340 / (4 + 2 + 4 + 3 + 3 + 4 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106064 + ... + 106103.

It is an arithmetic number, because the mean of its divisors is an integer number (742588).

Almost surely, 2^4243340 is an apocalyptic number.

It is an amenable number.

4243340 is an abundant number, since it is smaller than the sum of its proper divisors (4667716).

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

4243340 is a wasteful number, since it uses less digits than its factorization.

4243340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212176 (or 212174 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 4243340 is about 2059.9368922372. The cubic root of 4243340 is about 161.8959347909.

Adding to 4243340 its reverse (433424), we get a palindrome (4676764).

The spelling of 4243340 in words is "four million, two hundred forty-three thousand, three hundred forty".