854947 has 4 divisors (see below), whose sum is σ = 905256. Its totient is φ = 804640.

The previous prime is 854929. The next prime is 854951. The reversal of 854947 is 749458.

854947 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, and also an emirpimes, since its reverse is a distinct semiprime: 749458 = 2 ⋅374729.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-854947 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (854927) 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, 25129 + ... + 25162.

It is an arithmetic number, because the mean of its divisors is an integer number (226314).

2⁸⁵⁴⁹⁴⁷ is an apocalyptic number.

854947 is a deficient number, since it is larger than the sum of its proper divisors (50309).

854947 is a wasteful number, since it uses less digits than its factorization.

854947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50308.

The product of its digits is 40320, while the sum is 37.

The square root of 854947 is about 924.6334408835. The cubic root of 854947 is about 94.9102383910.

The spelling of 854947 in words is "eight hundred fifty-four thousand, nine hundred forty-seven".