853147 has 4 divisors (see below), whose sum is σ = 861696. Its totient is φ = 844600.

The previous prime is 853133. The next prime is 853159. The reversal of 853147 is 741358.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 741358 = 2 ⋅370679.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-853147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (853187) 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, 4123 + ... + 4324.

It is an arithmetic number, because the mean of its divisors is an integer number (215424).

2⁸⁵³¹⁴⁷ is an apocalyptic number.

853147 is a deficient number, since it is larger than the sum of its proper divisors (8549).

853147 is a wasteful number, since it uses less digits than its factorization.

853147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8548.

The product of its digits is 3360, while the sum is 28.

The square root of 853147 is about 923.6595693219. The cubic root of 853147 is about 94.8435837861.

It can be divided in two parts, 853 and 147, that added together give a cube (1000 = 10³).

The spelling of 853147 in words is "eight hundred fifty-three thousand, one hundred forty-seven".