2821185 has 24 divisors (see below), whose sum is σ = 4964544. Its totient is φ = 1481760.

The previous prime is 2821183. The next prime is 2821229. The reversal of 2821185 is 5811282.

It is not a de Polignac number, because 2821185 - 2¹ = 2821183 is a prime.

2821185 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2821183) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2754 + ... + 3636.

It is an arithmetic number, because the mean of its divisors is an integer number (206856).

2^2821185 is an apocalyptic number.

It is an amenable number.

2821185 is a deficient number, since it is larger than the sum of its proper divisors (2143359).

2821185 is a wasteful number, since it uses less digits than its factorization.

2821185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965 (or 962 counting only the distinct ones).

The product of its digits is 1280, while the sum is 27.

The square root of 2821185 is about 1679.6383539322. The cubic root of 2821185 is about 141.3005509931.

The spelling of 2821185 in words is "two million, eight hundred twenty-one thousand, one hundred eighty-five".