859434 has 8 divisors (see below), whose sum is σ = 1718880. Its totient is φ = 286476.

The previous prime is 859433. The next prime is 859447. The reversal of 859434 is 434958.

859434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

859434 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 859395 and 859404.

It is not an unprimeable number, because it can be changed into a prime (859433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71614 + ... + 71625.

It is an arithmetic number, because the mean of its divisors is an integer number (214860).

2⁸⁵⁹⁴³⁴ is an apocalyptic number.

859434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

859434 is a wasteful number, since it uses less digits than its factorization.

859434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143244.

The product of its digits is 17280, while the sum is 33.

The square root of 859434 is about 927.0566325743. The cubic root of 859434 is about 95.0759872190.

The spelling of 859434 in words is "eight hundred fifty-nine thousand, four hundred thirty-four".