859345 has 4 divisors (see below), whose sum is σ = 1031220. Its totient is φ = 687472.

The previous prime is 859321. The next prime is 859361. The reversal of 859345 is 543958.

859345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 305809 + 553536 = 553^2 + 744^2 .

It is a cyclic number.

It is not a de Polignac number, because 859345 - 2⁹ = 858833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 859345.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85930 + ... + 85939.

It is an arithmetic number, because the mean of its divisors is an integer number (257805).

2⁸⁵⁹³⁴⁵ is an apocalyptic number.

It is an amenable number.

859345 is a deficient number, since it is larger than the sum of its proper divisors (171875).

859345 is a wasteful number, since it uses less digits than its factorization.

859345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171874.

The product of its digits is 21600, while the sum is 34.

The square root of 859345 is about 927.0086299490. The cubic root of 859345 is about 95.0727051927.

The spelling of 859345 in words is "eight hundred fifty-nine thousand, three hundred forty-five".