2789144 has 8 divisors (see below), whose sum is σ = 5229660. Its totient is φ = 1394568.

The previous prime is 2789123. The next prime is 2789161. The reversal of 2789144 is 4419872.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174314 + ... + 174329.

2^2789144 is an apocalyptic number.

It is an amenable number.

2789144 is a deficient number, since it is larger than the sum of its proper divisors (2440516).

2789144 is a wasteful number, since it uses less digits than its factorization.

2789144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348649 (or 348645 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 2789144 is about 1670.0730522944. The cubic root of 2789144 is about 140.7635828252.

The spelling of 2789144 in words is "two million, seven hundred eighty-nine thousand, one hundred forty-four".