885445 has 16 divisors (see below), whose sum is σ = 1228608. Its totient is φ = 605440.

The previous prime is 885427. The next prime is 885449. The reversal of 885445 is 544588.

It is not a de Polignac number, because 885445 - 2¹¹ = 883397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 885445.

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 15 ways as a sum of consecutive naturals, for example, 462 + ... + 1408.

It is an arithmetic number, because the mean of its divisors is an integer number (76788).

2⁸⁸⁵⁴⁴⁵ is an apocalyptic number.

885445 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

885445 is a deficient number, since it is larger than the sum of its proper divisors (343163).

885445 is a wasteful number, since it uses less digits than its factorization.

885445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980.

The product of its digits is 25600, while the sum is 34.

The square root of 885445 is about 940.9808712190. The cubic root of 885445 is about 96.0256369609.

The spelling of 885445 in words is "eight hundred eighty-five thousand, four hundred forty-five".