6284840 has 32 divisors (see below), whose sum is σ = 14446080. Its totient is φ = 2459712.

The previous prime is 6284827. The next prime is 6284897. The reversal of 6284840 is 484826.

It is a junction number, because it is equal to n+sod(n) for n = 6284797 and 6284806.

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, 209 + ... + 3551.

It is an arithmetic number, because the mean of its divisors is an integer number (451440).

Almost surely, 2^6284840 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 6284840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7223040).

6284840 is an abundant number, since it is smaller than the sum of its proper divisors (8161240).

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

6284840 is a wasteful number, since it uses less digits than its factorization.

6284840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3401 (or 3397 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 6284840 is about 2506.9583163667. The cubic root of 6284840 is about 184.5432119954.

The spelling of 6284840 in words is "six million, two hundred eighty-four thousand, eight hundred forty".