2788738 has 16 divisors (see below), whose sum is σ = 4354560. Its totient is φ = 1338400.

The previous prime is 2788699. The next prime is 2788769. The reversal of 2788738 is 8378872.

It is a junction number, because it is equal to n+sod(n) for n = 2788694 and 2788703.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5583 + ... + 6061.

It is an arithmetic number, because the mean of its divisors is an integer number (272160).

2^2788738 is an apocalyptic number.

2788738 is a deficient number, since it is larger than the sum of its proper divisors (1565822).

2788738 is a wasteful number, since it uses less digits than its factorization.

2788738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593.

The product of its digits is 150528, while the sum is 43.

The square root of 2788738 is about 1669.9514963016. The cubic root of 2788738 is about 140.7567524395.

The spelling of 2788738 in words is "two million, seven hundred eighty-eight thousand, seven hundred thirty-eight".