2788004 has 24 divisors (see below), whose sum is σ = 5049408. Its totient is φ = 1346400.

The previous prime is 2787977. The next prime is 2788007. The reversal of 2788004 is 4008872.

It is not an unprimeable number, because it can be changed into a prime (2788007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27017 + ... + 27119.

It is an arithmetic number, because the mean of its divisors is an integer number (210392).

2^2788004 is an apocalyptic number.

It is an amenable number.

2788004 is a deficient number, since it is larger than the sum of its proper divisors (2261404).

2788004 is a wasteful number, since it uses less digits than its factorization.

2788004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 2788004 is about 1669.7317149770. The cubic root of 2788004 is about 140.7444022268.

The spelling of 2788004 in words is "two million, seven hundred eighty-eight thousand, four".