6858673 has 2 divisors, whose sum is σ = 6858674. Its totient is φ = 6858672.

The previous prime is 6858661. The next prime is 6858679. The reversal of 6858673 is 3768586.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5793649 + 1065024 = 2407^2 + 1032^2 .

It is a cyclic number.

It is not a de Polignac number, because 6858673 - 2¹⁷ = 6727601 is a prime.

It is a d-powerful number, because it can be written as 6⁴ + 8² + 5⁸ + 8⁴ + 6⁸ + 7 + 3¹⁴ .

6858673 is a lucky number.

It is a nialpdrome in base 14.

It is not a weakly prime, because it can be changed into another prime (6858679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3429336 + 3429337.

It is an arithmetic number, because the mean of its divisors is an integer number (3429337).

Almost surely, 2^6858673 is an apocalyptic number.

It is an amenable number.

6858673 is a deficient number, since it is larger than the sum of its proper divisors (1).

6858673 is an equidigital number, since it uses as much as digits as its factorization.

6858673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 43.

The square root of 6858673 is about 2618.9068330126. The cubic root of 6858673 is about 189.9969805614.

The spelling of 6858673 in words is "six million, eight hundred fifty-eight thousand, six hundred seventy-three".