2144406 has 16 divisors (see below), whose sum is σ = 4678848. Its totient is φ = 649800.

The previous prime is 2144399. The next prime is 2144407. The reversal of 2144406 is 6044412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16180 + ... + 16311.

It is an arithmetic number, because the mean of its divisors is an integer number (292428).

2^2144406 is an apocalyptic number.

2144406 is an abundant number, since it is smaller than the sum of its proper divisors (2534442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2144406 is a wasteful number, since it uses less digits than its factorization.

2144406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32507.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2144406 is about 1464.3790492902. The cubic root of 2144406 is about 128.9542533542.

Adding to 2144406 its reverse (6044412), we get a palindrome (8188818).

The spelling of 2144406 in words is "two million, one hundred forty-four thousand, four hundred six".