6240784 has 40 divisors (see below), whose sum is σ = 13436640. Its totient is φ = 2784000.

The previous prime is 6240757. The next prime is 6240791. The reversal of 6240784 is 4870426.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

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 7 ways as a sum of consecutive naturals, for example, 10084 + ... + 10684.

It is an arithmetic number, because the mean of its divisors is an integer number (335916).

Almost surely, 2^6240784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6240784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6718320).

6240784 is an abundant number, since it is smaller than the sum of its proper divisors (7195856).

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

6240784 is a wasteful number, since it uses less digits than its factorization.

6240784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 6240784 is about 2498.1561200213. The cubic root of 6240784 is about 184.1109916358.

The spelling of 6240784 in words is "six million, two hundred forty thousand, seven hundred eighty-four".