2803880 has 32 divisors (see below), whose sum is σ = 6359040. Its totient is φ = 1112640.

The previous prime is 2803877. The next prime is 2803891. The reversal of 2803880 is 883082.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7457 + ... + 7823.

It is an arithmetic number, because the mean of its divisors is an integer number (198720).

2^2803880 is an apocalyptic number.

2803880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2803880 is an abundant number, since it is smaller than the sum of its proper divisors (3555160).

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

2803880 is a wasteful number, since it uses less digits than its factorization.

2803880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569 (or 565 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 2803880 is about 1674.4790234577. The cubic root of 2803880 is about 141.0110482096.

The spelling of 2803880 in words is "two million, eight hundred three thousand, eight hundred eighty".