847047 has 4 divisors (see below), whose sum is σ = 1129400. Its totient is φ = 564696.

The previous prime is 847043. The next prime is 847051. The reversal of 847047 is 740748.

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

It is an interprime number because it is at equal distance from previous prime (847043) and next prime (847051).

It is not a de Polignac number, because 847047 - 2² = 847043 is a prime.

It is a D-number.

It is a Duffinian number.

847047 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (847043) 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, 141172 + ... + 141177.

It is an arithmetic number, because the mean of its divisors is an integer number (282350).

2⁸⁴⁷⁰⁴⁷ is an apocalyptic number.

847047 is a deficient number, since it is larger than the sum of its proper divisors (282353).

847047 is a wasteful number, since it uses less digits than its factorization.

847047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282352.

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 847047 is about 920.3515632626. The cubic root of 847047 is about 94.6169990623.

The spelling of 847047 in words is "eight hundred forty-seven thousand, forty-seven".