6854857 has 2 divisors, whose sum is σ = 6854858. Its totient is φ = 6854856.

The previous prime is 6854833. The next prime is 6854863. The reversal of 6854857 is 7584586.

6854857 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5973136 + 881721 = 2444^2 + 939^2 .

It is a cyclic number.

It is not a de Polignac number, because 6854857 - 2¹¹ = 6852809 is a prime.

It is not a weakly prime, because it can be changed into another prime (6854807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3427428 + 3427429.

It is an arithmetic number, because the mean of its divisors is an integer number (3427429).

Almost surely, 2^6854857 is an apocalyptic number.

It is an amenable number.

6854857 is a deficient number, since it is larger than the sum of its proper divisors (1).

6854857 is an equidigital number, since it uses as much as digits as its factorization.

6854857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 268800, while the sum is 43.

The square root of 6854857 is about 2618.1781833939. The cubic root of 6854857 is about 189.9617374475.

It can be divided in two parts, 6854 and 857, that multiplied together give a triangular number (5873878 = T₃₄₂₇).

The spelling of 6854857 in words is "six million, eight hundred fifty-four thousand, eight hundred fifty-seven".