2850985 has 12 divisors (see below), whose sum is σ = 3636108. Its totient is φ = 2145536.

The previous prime is 2850979. The next prime is 2850989. The reversal of 2850985 is 5890582.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 15129 + 2835856 = 123^2 + 1684^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2850985 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2850989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 459 + ... + 2431.

It is an arithmetic number, because the mean of its divisors is an integer number (303009).

2^2850985 is an apocalyptic number.

It is an amenable number.

2850985 is a deficient number, since it is larger than the sum of its proper divisors (785123).

2850985 is a wasteful number, since it uses less digits than its factorization.

2850985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012 (or 1995 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 2850985 is about 1688.4860082334. The cubic root of 2850985 is about 141.7963257390.

The spelling of 2850985 in words is "two million, eight hundred fifty thousand, nine hundred eighty-five".