2144836 has 12 divisors (see below), whose sum is σ = 3791340. Its totient is φ = 1061600.

The previous prime is 2144801. The next prime is 2144837. The reversal of 2144836 is 6384412.

It can be written as a sum of positive squares in 2 ways, for example, as 921600 + 1223236 = 960^2 + 1106^2 .

It is a d-powerful number, because it can be written as 2²¹ + 1 + 4² + 4⁴ + 8³ + 3⁵ + 6⁶ .

It is not an unprimeable number, because it can be changed into a prime (2144837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2251 + ... + 3058.

It is an arithmetic number, because the mean of its divisors is an integer number (315945).

2^2144836 is an apocalyptic number.

It is an amenable number.

2144836 is a deficient number, since it is larger than the sum of its proper divisors (1646504).

2144836 is a wasteful number, since it uses less digits than its factorization.

2144836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5414 (or 5412 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 2144836 is about 1464.5258618406. The cubic root of 2144836 is about 128.9628721547.

It can be divided in two parts, 214 and 4836, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 2144836 in words is "two million, one hundred forty-four thousand, eight hundred thirty-six".