854147 has 4 divisors (see below), whose sum is σ = 976176. Its totient is φ = 732120.

The previous prime is 854141. The next prime is 854149. The reversal of 854147 is 741458.

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 854147 - 2⁶ = 854083 is a prime.

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 (854141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61004 + ... + 61017.

It is an arithmetic number, because the mean of its divisors is an integer number (244044).

2⁸⁵⁴¹⁴⁷ is an apocalyptic number.

854147 is a deficient number, since it is larger than the sum of its proper divisors (122029).

854147 is a wasteful number, since it uses less digits than its factorization.

854147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122028.

The product of its digits is 4480, while the sum is 29.

The square root of 854147 is about 924.2007357712. The cubic root of 854147 is about 94.8806256837.

It can be divided in two parts, 854 and 147, that added together give a palindrome (1001).

The spelling of 854147 in words is "eight hundred fifty-four thousand, one hundred forty-seven".