2803988 has 12 divisors (see below), whose sum is σ = 5353152. Its totient is φ = 1274520.

The previous prime is 2803967. The next prime is 2803991. The reversal of 2803988 is 8893082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31820 + ... + 31907.

It is an arithmetic number, because the mean of its divisors is an integer number (446096).

2^2803988 is an apocalyptic number.

It is an amenable number.

2803988 is a deficient number, since it is larger than the sum of its proper divisors (2549164).

2803988 is a wasteful number, since it uses less digits than its factorization.

2803988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63742 (or 63740 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 2803988 is about 1674.5112719836. The cubic root of 2803988 is about 141.0128586767.

The spelling of 2803988 in words is "two million, eight hundred three thousand, nine hundred eighty-eight".