2803040 has 24 divisors (see below), whose sum is σ = 6622560. Its totient is φ = 1121152.

The previous prime is 2803037. The next prime is 2803057. The reversal of 2803040 is 403082.

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, 8600 + ... + 8919.

It is an arithmetic number, because the mean of its divisors is an integer number (275940).

2^2803040 is an apocalyptic number.

2803040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2803040 is an abundant number, since it is smaller than the sum of its proper divisors (3819520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2803040 is a wasteful number, since it uses less digits than its factorization.

2803040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17534 (or 17526 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2803040 is about 1674.2281803864. The cubic root of 2803040 is about 140.9969652114.

The spelling of 2803040 in words is "two million, eight hundred three thousand, forty".