2788942 has 16 divisors (see below), whose sum is σ = 4575312. Its totient is φ = 1267200.

The previous prime is 2788939. The next prime is 2788979. The reversal of 2788942 is 2498872.

2788942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2788895 and 2788904.

It is a congruent number.

It is an unprimeable number.

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, 942 + ... + 2542.

It is an arithmetic number, because the mean of its divisors is an integer number (285957).

2^2788942 is an apocalyptic number.

2788942 is a deficient number, since it is larger than the sum of its proper divisors (1786370).

2788942 is a wasteful number, since it uses less digits than its factorization.

2788942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683.

The product of its digits is 64512, while the sum is 40.

The square root of 2788942 is about 1670.0125748030. The cubic root of 2788942 is about 140.7601845388.

The spelling of 2788942 in words is "two million, seven hundred eighty-eight thousand, nine hundred forty-two".