852869 has 4 divisors (see below), whose sum is σ = 858144. Its totient is φ = 847596.

The previous prime is 852857. The next prime is 852871. The reversal of 852869 is 968258.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 968258 = 2 ⋅484129.

It is a cyclic number.

It is not a de Polignac number, because 852869 - 2⁸ = 852613 is a prime.

It is a super-2 number, since 2×852869² = 1454771062322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852809) 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, 2387 + ... + 2720.

It is an arithmetic number, because the mean of its divisors is an integer number (214536).

2⁸⁵²⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

852869 is a deficient number, since it is larger than the sum of its proper divisors (5275).

852869 is a wasteful number, since it uses less digits than its factorization.

852869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5274.

The product of its digits is 34560, while the sum is 38.

The square root of 852869 is about 923.5090687156. The cubic root of 852869 is about 94.8332809970.

The spelling of 852869 in words is "eight hundred fifty-two thousand, eight hundred sixty-nine".