6470856 has 96 divisors (see below), whose sum is σ = 20629440. Its totient is φ = 1793664.

The previous prime is 6470839. The next prime is 6470861. The reversal of 6470856 is 6580746.

It is a happy number.

6470856 is a `hidden beast` number, since 647 + 0 + 8 + 5 + 6 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 6470856.

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 18475 + ... + 18821.

It is an arithmetic number, because the mean of its divisors is an integer number (214890).

Almost surely, 2^6470856 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 6470856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10314720).

6470856 is an abundant number, since it is smaller than the sum of its proper divisors (14158584).

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

6470856 is a wasteful number, since it uses less digits than its factorization.

6470856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 6470856 is about 2543.7877269930. The cubic root of 6470856 is about 186.3462160704.

The spelling of 6470856 in words is "six million, four hundred seventy thousand, eight hundred fifty-six".