785985 has 16 divisors (see below), whose sum is σ = 1279680. Its totient is φ = 411840.

The previous prime is 785963. The next prime is 786001. The reversal of 785985 is 589587.

It is not a de Polignac number, because 785985 - 2⁶ = 785921 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 486 + ... + 1344.

It is an arithmetic number, because the mean of its divisors is an integer number (79980).

2⁷⁸⁵⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

785985 is a deficient number, since it is larger than the sum of its proper divisors (493695).

785985 is a wasteful number, since it uses less digits than its factorization.

785985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928.

The product of its digits is 100800, while the sum is 42.

The square root of 785985 is about 886.5579507285. The cubic root of 785985 is about 92.2864809702.

It can be divided in two parts, 785 and 985, that added together give a triangular number (1770 = T₅₉).

The spelling of 785985 in words is "seven hundred eighty-five thousand, nine hundred eighty-five".