6855903 has 12 divisors (see below), whose sum is σ = 10424440. Its totient is φ = 4329936.

The previous prime is 6855899. The next prime is 6855911. The reversal of 6855903 is 3095586.

6855903 is a `hidden beast` number, since 68 + 5 + 590 + 3 = 666.

6855903 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6855903 - 2² = 6855899 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6855923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19876 + ... + 20217.

Almost surely, 2^6855903 is an apocalyptic number.

6855903 is a deficient number, since it is larger than the sum of its proper divisors (3568537).

6855903 is a wasteful number, since it uses less digits than its factorization.

6855903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40118 (or 40115 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 6855903 is about 2618.3779329959. The cubic root of 6855903 is about 189.9713992037.

The spelling of 6855903 in words is "six million, eight hundred fifty-five thousand, nine hundred three".