2850869 has 12 divisors (see below), whose sum is σ = 3365964. Its totient is φ = 2407104.

The previous prime is 2850851. The next prime is 2850871. The reversal of 2850869 is 9680582.

It can be written as a sum of positive squares in 2 ways, for example, as 1500625 + 1350244 = 1225^2 + 1162^2 .

It is not a de Polignac number, because 2850869 - 2¹² = 2846773 is a prime.

It is a super-2 number, since 2×2850869² = 16254908110322, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2850829) 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, 3179 + ... + 3975.

It is an arithmetic number, because the mean of its divisors is an integer number (280497).

2^2850869 is an apocalyptic number.

It is an amenable number.

2850869 is a deficient number, since it is larger than the sum of its proper divisors (515095).

2850869 is an equidigital number, since it uses as much as digits as its factorization.

2850869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884 (or 877 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 2850869 is about 1688.4516575845. The cubic root of 2850869 is about 141.7944025912.

The spelling of 2850869 in words is "two million, eight hundred fifty thousand, eight hundred sixty-nine".