858930 has 16 divisors (see below), whose sum is σ = 2061504. Its totient is φ = 229040.

The previous prime is 858919. The next prime is 858931. The reversal of 858930 is 39858.

858930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 858891 and 858900.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 858930.

It is not an unprimeable number, because it can be changed into a prime (858931) by changing a digit.

858930 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14286 + ... + 14345.

It is an arithmetic number, because the mean of its divisors is an integer number (128844).

2⁸⁵⁸⁹³⁰ is an apocalyptic number.

858930 is an abundant number, since it is smaller than the sum of its proper divisors (1202574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

858930 is a wasteful number, since it uses less digits than its factorization.

858930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28641.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 858930 is about 926.7847646568. The cubic root of 858930 is about 95.0573983696.

The spelling of 858930 in words is "eight hundred fifty-eight thousand, nine hundred thirty".