6240340 has 24 divisors (see below), whose sum is σ = 13151880. Its totient is φ = 2487168.

The previous prime is 6240329. The next prime is 6240349. The reversal of 6240340 is 430426.

It can be written as a sum of positive squares in 4 ways, for example, as 99856 + 6140484 = 316^2 + 2478^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6240349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9874 + ... + 10486.

It is an arithmetic number, because the mean of its divisors is an integer number (547995).

Almost surely, 2^6240340 is an apocalyptic number.

It is an amenable number.

6240340 is an abundant number, since it is smaller than the sum of its proper divisors (6911540).

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

6240340 is a wasteful number, since it uses less digits than its factorization.

6240340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131 (or 1129 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 6240340 is about 2498.0672528977. The cubic root of 6240340 is about 184.1066253458.

Adding to 6240340 its reverse (430426), we get a palindrome (6670766).

The spelling of 6240340 in words is "six million, two hundred forty thousand, three hundred forty".