2944138 has 16 divisors (see below), whose sum is σ = 4769280. Its totient is φ = 1358896.

The previous prime is 2944133. The next prime is 2944147. The reversal of 2944138 is 8314492.

2944138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2944133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231 + ... + 2437.

It is an arithmetic number, because the mean of its divisors is an integer number (298080).

2^2944138 is an apocalyptic number.

2944138 is a deficient number, since it is larger than the sum of its proper divisors (1825142).

2944138 is a wasteful number, since it uses less digits than its factorization.

2944138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2261.

The product of its digits is 6912, while the sum is 31.

The square root of 2944138 is about 1715.8490609608. The cubic root of 2944138 is about 143.3241542106.

The spelling of 2944138 in words is "two million, nine hundred forty-four thousand, one hundred thirty-eight".