6240540 has 24 divisors (see below), whose sum is σ = 17473680. Its totient is φ = 1664128.

The previous prime is 6240527. The next prime is 6240587. The reversal of 6240540 is 450426.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51945 + ... + 52064.

It is an arithmetic number, because the mean of its divisors is an integer number (728070).

Almost surely, 2^6240540 is an apocalyptic number.

6240540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6240540 is an abundant number, since it is smaller than the sum of its proper divisors (11233140).

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

6240540 is a wasteful number, since it uses less digits than its factorization.

6240540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104021 (or 104019 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 6240540 is about 2498.1072835249. The cubic root of 6240540 is about 184.1085921687.

Adding to 6240540 its reverse (450426), we get a palindrome (6690966).

The spelling of 6240540 in words is "six million, two hundred forty thousand, five hundred forty".