852209 has 4 divisors (see below), whose sum is σ = 858480. Its totient is φ = 845940.

The previous prime is 852199. The next prime is 852211. The reversal of 852209 is 902258.

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.

It is a cyclic number.

It is not a de Polignac number, because 852209 - 2⁸ = 851953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (852239) 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, 2927 + ... + 3204.

It is an arithmetic number, because the mean of its divisors is an integer number (214620).

2⁸⁵²²⁰⁹ is an apocalyptic number.

It is an amenable number.

852209 is a deficient number, since it is larger than the sum of its proper divisors (6271).

852209 is a wasteful number, since it uses less digits than its factorization.

852209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6270.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 852209 is about 923.1516668457. The cubic root of 852209 is about 94.8088121678.

The spelling of 852209 in words is "eight hundred fifty-two thousand, two hundred nine".