2803080 has 128 divisors (see below), whose sum is σ = 9953280. Its totient is φ = 618240.

The previous prime is 2803069. The next prime is 2803081. The reversal of 2803080 is 803082.

It is a Harshad number since it is a multiple of its sum of digits (21).

2803080 is a modest number, since divided by 3080 gives 280 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2803081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39445 + ... + 39515.

It is an arithmetic number, because the mean of its divisors is an integer number (77760).

2^2803080 is an apocalyptic number.

2803080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2803080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4976640).

2803080 is an abundant number, since it is smaller than the sum of its proper divisors (7150200).

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

2803080 is a wasteful number, since it uses less digits than its factorization.

2803080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 2803080 is about 1674.2401261468. The cubic root of 2803080 is about 140.9976358942.

The spelling of 2803080 in words is "two million, eight hundred three thousand, eighty".