859047 has 16 divisors (see below), whose sum is σ = 1378560. Its totient is φ = 464832.

The previous prime is 859037. The next prime is 859049. The reversal of 859047 is 740958.

It is not a de Polignac number, because 859047 - 2⁴ = 859031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 858999 and 859017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (859049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 678 + ... + 1475.

It is an arithmetic number, because the mean of its divisors is an integer number (86160).

2⁸⁵⁹⁰⁴⁷ is an apocalyptic number.

859047 is a deficient number, since it is larger than the sum of its proper divisors (519513).

859047 is a wasteful number, since it uses less digits than its factorization.

859047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2182.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 859047 is about 926.8478839594. The cubic root of 859047 is about 95.0617142862.

The spelling of 859047 in words is "eight hundred fifty-nine thousand, forty-seven".