6856436 has 12 divisors (see below), whose sum is σ = 12278112. Its totient is φ = 3348408.

The previous prime is 6856429. The next prime is 6856459. The reversal of 6856436 is 6346586.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6856436.

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 3 ways as a sum of consecutive naturals, for example, 19760 + ... + 20103.

It is an arithmetic number, because the mean of its divisors is an integer number (1023176).

Almost surely, 2^6856436 is an apocalyptic number.

It is an amenable number.

6856436 is a deficient number, since it is larger than the sum of its proper divisors (5421676).

6856436 is a wasteful number, since it uses less digits than its factorization.

6856436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39910 (or 39908 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 6856436 is about 2618.4797115884. The cubic root of 6856436 is about 189.9763220724.

The spelling of 6856436 in words is "six million, eight hundred fifty-six thousand, four hundred thirty-six".