858234 has 16 divisors (see below), whose sum is σ = 1848672. Its totient is φ = 264048.

The previous prime is 858233. The next prime is 858239. The reversal of 858234 is 432858.

858234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (858233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5424 + ... + 5579.

It is an arithmetic number, because the mean of its divisors is an integer number (115542).

2⁸⁵⁸²³⁴ is an apocalyptic number.

858234 is an abundant number, since it is smaller than the sum of its proper divisors (990438).

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

858234 is a wasteful number, since it uses less digits than its factorization.

858234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11021.

The product of its digits is 7680, while the sum is 30.

The square root of 858234 is about 926.4091968455. The cubic root of 858234 is about 95.0317160954.

The spelling of 858234 in words is "eight hundred fifty-eight thousand, two hundred thirty-four".