809852 has 12 divisors (see below), whose sum is σ = 1424136. Its totient is φ = 402960.

The previous prime is 809843. The next prime is 809869. The reversal of 809852 is 258908.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

809852 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 827 + ... + 1517.

It is an arithmetic number, because the mean of its divisors is an integer number (118678).

2⁸⁰⁹⁸⁵² is an apocalyptic number.

It is an amenable number.

809852 is a deficient number, since it is larger than the sum of its proper divisors (614284).

809852 is a wasteful number, since it uses less digits than its factorization.

809852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988 (or 986 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 809852 is about 899.9177740216. The cubic root of 809852 is about 93.2112974203.

It can be divided in two parts, 809 and 852, that added together give a palindrome (1661).

The spelling of 809852 in words is "eight hundred nine thousand, eight hundred fifty-two".