6858823 has 2 divisors, whose sum is σ = 6858824. Its totient is φ = 6858822.

The previous prime is 6858793. The next prime is 6858827. The reversal of 6858823 is 3288586.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6858823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6858827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3429411 + 3429412.

It is an arithmetic number, because the mean of its divisors is an integer number (3429412).

Almost surely, 2^6858823 is an apocalyptic number.

6858823 is a deficient number, since it is larger than the sum of its proper divisors (1).

6858823 is an equidigital number, since it uses as much as digits as its factorization.

6858823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92160, while the sum is 40.

The square root of 6858823 is about 2618.9354707591. The cubic root of 6858823 is about 189.9983656369.

The spelling of 6858823 in words is "six million, eight hundred fifty-eight thousand, eight hundred twenty-three".