2144842 has 16 divisors (see below), whose sum is σ = 3837312. Its totient is φ = 879120.

The previous prime is 2144837. The next prime is 2144843. The reversal of 2144842 is 2484412.

It is not an unprimeable number, because it can be changed into a prime (2144843) 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, 3009 + ... + 3652.

It is an arithmetic number, because the mean of its divisors is an integer number (239832).

2^2144842 is an apocalyptic number.

2144842 is a deficient number, since it is larger than the sum of its proper divisors (1692470).

2144842 is a wasteful number, since it uses less digits than its factorization.

2144842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6693.

The product of its digits is 2048, while the sum is 25.

The square root of 2144842 is about 1464.5279102837. The cubic root of 2144842 is about 128.9629924089.

The spelling of 2144842 in words is "two million, one hundred forty-four thousand, eight hundred forty-two".