847955 has 4 divisors (see below), whose sum is σ = 1017552. Its totient is φ = 678360.

The previous prime is 847949. The next prime is 847967. The reversal of 847955 is 559748.

847955 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 is not a de Polignac number, because 847955 - 2¹⁰ = 846931 is a prime.

It is a Duffinian number.

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, 84791 + ... + 84800.

It is an arithmetic number, because the mean of its divisors is an integer number (254388).

2⁸⁴⁷⁹⁵⁵ is an apocalyptic number.

847955 is a deficient number, since it is larger than the sum of its proper divisors (169597).

847955 is a wasteful number, since it uses less digits than its factorization.

847955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169596.

The product of its digits is 50400, while the sum is 38.

The square root of 847955 is about 920.8447208949. The cubic root of 847955 is about 94.6507955165.

The spelling of 847955 in words is "eight hundred forty-seven thousand, nine hundred fifty-five".