885389 has 2 divisors, whose sum is σ = 885390. Its totient is φ = 885388.

The previous prime is 885383. The next prime is 885397. The reversal of 885389 is 983588.

885389 is nontrivially palindromic in base 16.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 537289 + 348100 = 733^2 + 590^2 .

It is a cyclic number.

It is not a de Polignac number, because 885389 - 2⁸ = 885133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (885383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 442694 + 442695.

It is an arithmetic number, because the mean of its divisors is an integer number (442695).

2⁸⁸⁵³⁸⁹ is an apocalyptic number.

It is an amenable number.

885389 is a deficient number, since it is larger than the sum of its proper divisors (1).

885389 is an equidigital number, since it uses as much as digits as its factorization.

885389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 41.

The square root of 885389 is about 940.9511145644. The cubic root of 885389 is about 96.0236125366.

The spelling of 885389 in words is "eight hundred eighty-five thousand, three hundred eighty-nine".