852643 has 4 divisors (see below), whose sum is σ = 930168. Its totient is φ = 775120.

The previous prime is 852641. The next prime is 852661. The reversal of 852643 is 346258.

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 852643 - 2¹ = 852641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (852641) 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, 38746 + ... + 38767.

It is an arithmetic number, because the mean of its divisors is an integer number (232542).

2⁸⁵²⁶⁴³ is an apocalyptic number.

852643 is a deficient number, since it is larger than the sum of its proper divisors (77525).

852643 is a wasteful number, since it uses less digits than its factorization.

852643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77524.

The product of its digits is 5760, while the sum is 28.

The square root of 852643 is about 923.3867012254. The cubic root of 852643 is about 94.8249036984.

The spelling of 852643 in words is "eight hundred fifty-two thousand, six hundred forty-three".