2788144 has 10 divisors (see below), whose sum is σ = 5402060. Its totient is φ = 1394064.

The previous prime is 2788133. The next prime is 2788199. The reversal of 2788144 is 4418872.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87114 + ... + 87145.

It is an arithmetic number, because the mean of its divisors is an integer number (540206).

2^2788144 is an apocalyptic number.

It is an amenable number.

2788144 is a deficient number, since it is larger than the sum of its proper divisors (2613916).

2788144 is a wasteful number, since it uses less digits than its factorization.

2788144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174267 (or 174261 counting only the distinct ones).

The product of its digits is 14336, while the sum is 34.

The square root of 2788144 is about 1669.7736373533. The cubic root of 2788144 is about 140.7467580205.

The spelling of 2788144 in words is "two million, seven hundred eighty-eight thousand, one hundred forty-four".