885439 has 4 divisors (see below), whose sum is σ = 887656. Its totient is φ = 883224.

The previous prime is 885427. The next prime is 885449. The reversal of 885439 is 934588.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 885439 - 2¹¹ = 883391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 885398 and 885407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (885449) 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, 324 + ... + 1369.

It is an arithmetic number, because the mean of its divisors is an integer number (221914).

2⁸⁸⁵⁴³⁹ is an apocalyptic number.

885439 is a deficient number, since it is larger than the sum of its proper divisors (2217).

885439 is a wasteful number, since it uses less digits than its factorization.

885439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216.

The product of its digits is 34560, while the sum is 37.

The square root of 885439 is about 940.9776830510. The cubic root of 885439 is about 96.0254200624.

The spelling of 885439 in words is "eight hundred eighty-five thousand, four hundred thirty-nine".