868047 has 4 divisors (see below), whose sum is σ = 1157400. Its totient is φ = 578696.

The previous prime is 868039. The next prime is 868051. The reversal of 868047 is 740868.

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

It is a cyclic number.

It is not a de Polignac number, because 868047 - 2³ = 868039 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 867999 and 868017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863047) 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, 144672 + ... + 144677.

It is an arithmetic number, because the mean of its divisors is an integer number (289350).

2⁸⁶⁸⁰⁴⁷ is an apocalyptic number.

868047 is a deficient number, since it is larger than the sum of its proper divisors (289353).

868047 is a wasteful number, since it uses less digits than its factorization.

868047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289352.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 868047 is about 931.6903992207. The cubic root of 868047 is about 95.3925401478.

The spelling of 868047 in words is "eight hundred sixty-eight thousand, forty-seven".