858673 has 2 divisors, whose sum is σ = 858674. Its totient is φ = 858672.

The previous prime is 858631. The next prime is 858691. The reversal of 858673 is 376858.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 815409 + 43264 = 903^2 + 208^2 .

It is a cyclic number.

It is not a de Polignac number, because 858673 - 2⁹ = 858161 is a prime.

It is not a weakly prime, because it can be changed into another prime (858623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 429336 + 429337.

It is an arithmetic number, because the mean of its divisors is an integer number (429337).

2⁸⁵⁸⁶⁷³ is an apocalyptic number.

It is an amenable number.

858673 is a deficient number, since it is larger than the sum of its proper divisors (1).

858673 is an equidigital number, since it uses as much as digits as its factorization.

858673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 37.

The square root of 858673 is about 926.6461028893. The cubic root of 858673 is about 95.0479167323.

The spelling of 858673 in words is "eight hundred fifty-eight thousand, six hundred seventy-three".