4340240 has 40 divisors (see below), whose sum is σ = 10177920. Its totient is φ = 1721216.

The previous prime is 4340239. The next prime is 4340251. The reversal of 4340240 is 420434.

4340240 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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18041 + ... + 18279.

It is an arithmetic number, because the mean of its divisors is an integer number (254448).

Almost surely, 2^4340240 is an apocalyptic number.

4340240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4340240 is an abundant number, since it is smaller than the sum of its proper divisors (5837680).

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

4340240 is a wasteful number, since it uses less digits than its factorization.

4340240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479 (or 473 counting only the distinct ones).

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

The square root of 4340240 is about 2083.3242666469. The cubic root of 4340240 is about 163.1190117833.

Adding to 4340240 its reverse (420434), we get a palindrome (4760674).

The spelling of 4340240 in words is "four million, three hundred forty thousand, two hundred forty".