852689 has 2 divisors, whose sum is σ = 852690. Its totient is φ = 852688.

The previous prime is 852673. The next prime is 852749. The reversal of 852689 is 986258.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 483025 + 369664 = 695^2 + 608^2 .

It is a cyclic number.

It is not a de Polignac number, because 852689 - 2⁴ = 852673 is a prime.

It is not a weakly prime, because it can be changed into another prime (852289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426344 + 426345.

It is an arithmetic number, because the mean of its divisors is an integer number (426345).

2⁸⁵²⁶⁸⁹ is an apocalyptic number.

It is an amenable number.

852689 is a deficient number, since it is larger than the sum of its proper divisors (1).

852689 is an equidigital number, since it uses as much as digits as its factorization.

852689 is an evil number, because the sum of its binary digits is even.

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

The square root of 852689 is about 923.4116091971. The cubic root of 852689 is about 94.8266089323.

The spelling of 852689 in words is "eight hundred fifty-two thousand, six hundred eighty-nine".