6240660 has 48 divisors (see below), whose sum is σ = 17853696. Its totient is φ = 1628032.

The previous prime is 6240631. The next prime is 6240671. The reversal of 6240660 is 660426.

It is a self number, because there is not a number n which added to its sum of digits gives 6240660.

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 15 ways as a sum of consecutive naturals, for example, 1714 + ... + 3926.

It is an arithmetic number, because the mean of its divisors is an integer number (371952).

Almost surely, 2^6240660 is an apocalyptic number.

6240660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6240660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8926848).

6240660 is an abundant number, since it is smaller than the sum of its proper divisors (11613036).

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

6240660 is a wasteful number, since it uses less digits than its factorization.

6240660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272 (or 2270 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 6240660 is about 2498.1313015933. The cubic root of 6240660 is about 184.1097722423.

The spelling of 6240660 in words is "six million, two hundred forty thousand, six hundred sixty".