6856906 has 16 divisors (see below), whose sum is σ = 11788416. Its totient is φ = 2930256.

The previous prime is 6856901. The next prime is 6856919. The reversal of 6856906 is 6096586.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6856901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8680 + ... + 9436.

It is an arithmetic number, because the mean of its divisors is an integer number (736776).

Almost surely, 2^6856906 is an apocalyptic number.

6856906 is a deficient number, since it is larger than the sum of its proper divisors (4931510).

6856906 is a wasteful number, since it uses less digits than its factorization.

6856906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 6856906 is about 2618.5694567836. The cubic root of 6856906 is about 189.9806628520.

The spelling of 6856906 in words is "six million, eight hundred fifty-six thousand, nine hundred six".