6855956 has 6 divisors (see below), whose sum is σ = 11997930. Its totient is φ = 3427976.

The previous prime is 6855931. The next prime is 6855967. The reversal of 6855956 is 6595586.

It can be written as a sum of positive squares in only one way, i.e., 4080400 + 2775556 = 2020^2 + 1666^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 856991 + ... + 856998.

It is an arithmetic number, because the mean of its divisors is an integer number (1999655).

Almost surely, 2^6855956 is an apocalyptic number.

It is an amenable number.

6855956 is a deficient number, since it is larger than the sum of its proper divisors (5141974).

6855956 is a wasteful number, since it uses less digits than its factorization.

6855956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713993 (or 1713991 counting only the distinct ones).

The product of its digits is 324000, while the sum is 44.

The square root of 6855956 is about 2618.3880537460. The cubic root of 6855956 is about 189.9718887311.

The spelling of 6855956 in words is "six million, eight hundred fifty-five thousand, nine hundred fifty-six".