858668 has 6 divisors (see below), whose sum is σ = 1502676. Its totient is φ = 429332.

The previous prime is 858631. The next prime is 858673. The reversal of 858668 is 866858.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107330 + ... + 107337.

It is an arithmetic number, because the mean of its divisors is an integer number (250446).

2⁸⁵⁸⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

858668 is a deficient number, since it is larger than the sum of its proper divisors (644008).

858668 is a wasteful number, since it uses less digits than its factorization.

858668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214671 (or 214669 counting only the distinct ones).

The product of its digits is 92160, while the sum is 41.

The square root of 858668 is about 926.6434049838. The cubic root of 858668 is about 95.0477322459.

The spelling of 858668 in words is "eight hundred fifty-eight thousand, six hundred sixty-eight".