854247 has 4 divisors (see below), whose sum is σ = 1139000. Its totient is φ = 569496.

The previous prime is 854213. The next prime is 854257. The reversal of 854247 is 742458.

854247 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 854247 - 2¹¹ = 852199 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854257) 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, 142372 + ... + 142377.

It is an arithmetic number, because the mean of its divisors is an integer number (284750).

2⁸⁵⁴²⁴⁷ is an apocalyptic number.

854247 is a deficient number, since it is larger than the sum of its proper divisors (284753).

854247 is a wasteful number, since it uses less digits than its factorization.

854247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284752.

The product of its digits is 8960, while the sum is 30.

The square root of 854247 is about 924.2548349887. The cubic root of 854247 is about 94.8843282830.

The spelling of 854247 in words is "eight hundred fifty-four thousand, two hundred forty-seven".