2985786 has 12 divisors (see below), whose sum is σ = 6469242. Its totient is φ = 995256.

The previous prime is 2985781. The next prime is 2985809. The reversal of 2985786 is 6875892.

It can be written as a sum of positive squares in only one way, i.e., 2295225 + 690561 = 1515^2 + 831^2 .

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2985781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82921 + ... + 82956.

2^2985786 is an apocalyptic number.

2985786 is an abundant number, since it is smaller than the sum of its proper divisors (3483456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2985786 is a wasteful number, since it uses less digits than its factorization.

2985786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165885 (or 165882 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 2985786 is about 1727.9427073836. The cubic root of 2985786 is about 143.9968170593.

It can be divided in two parts, 298 and 5786, that added together give a square (6084 = 78²).

The spelling of 2985786 in words is "two million, nine hundred eighty-five thousand, seven hundred eighty-six".