885785 has 12 divisors (see below), whose sum is σ = 1130988. Its totient is φ = 665856.

The previous prime is 885769. The next prime is 885791. The reversal of 885785 is 587588.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 17161 + 868624 = 131^2 + 932^2 .

It is not a de Polignac number, because 885785 - 2⁴ = 885769 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1139 + ... + 1751.

It is an arithmetic number, because the mean of its divisors is an integer number (94249).

2⁸⁸⁵⁷⁸⁵ is an apocalyptic number.

885785 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

885785 is a deficient number, since it is larger than the sum of its proper divisors (245203).

885785 is a wasteful number, since it uses less digits than its factorization.

885785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652 (or 635 counting only the distinct ones).

The product of its digits is 89600, while the sum is 41.

The square root of 885785 is about 941.1615164253. The cubic root of 885785 is about 96.0379262762.

The spelling of 885785 in words is "eight hundred eighty-five thousand, seven hundred eighty-five".