2808880 has 20 divisors (see below), whose sum is σ = 6530832. Its totient is φ = 1123520.

The previous prime is 2808877. The next prime is 2808881. The reversal of 2808880 is 888082.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (2808881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17476 + ... + 17635.

2^2808880 is an apocalyptic number.

2808880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2808880 is an abundant number, since it is smaller than the sum of its proper divisors (3721952).

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

2808880 is a wasteful number, since it uses less digits than its factorization.

2808880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35124 (or 35118 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 34.

The square root of 2808880 is about 1675.9713601372. The cubic root of 2808880 is about 141.0948174343.

The spelling of 2808880 in words is "two million, eight hundred eight thousand, eight hundred eighty".