2851244 has 36 divisors (see below), whose sum is σ = 5653032. Its totient is φ = 1256640.

The previous prime is 2851231. The next prime is 2851249. The reversal of 2851244 is 4421582.

It is a happy number.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2851249) 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, 20744 + ... + 20880.

2^2851244 is an apocalyptic number.

It is an amenable number.

2851244 is a deficient number, since it is larger than the sum of its proper divisors (2801788).

2851244 is a wasteful number, since it uses less digits than its factorization.

2851244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 193 counting only the distinct ones).

The product of its digits is 2560, while the sum is 26.

The square root of 2851244 is about 1688.5627024188. The cubic root of 2851244 is about 141.8006194757.

The spelling of 2851244 in words is "two million, eight hundred fifty-one thousand, two hundred forty-four".