2801980 has 24 divisors (see below), whose sum is σ = 6088320. Its totient is φ = 1081920.

The previous prime is 2801977. The next prime is 2802011. The reversal of 2801980 is 891082.

2801980 is a modest number, since divided by 1980 gives 280 as remainder.

It is a congruent number.

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, 1836 + ... + 2995.

It is an arithmetic number, because the mean of its divisors is an integer number (253680).

2^2801980 is an apocalyptic number.

2801980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2801980 is an abundant number, since it is smaller than the sum of its proper divisors (3286340).

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

2801980 is a wasteful number, since it uses less digits than its factorization.

2801980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4869 (or 4867 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 2801980 is about 1673.9115866736. The cubic root of 2801980 is about 140.9791897930.

The spelling of 2801980 in words is "two million, eight hundred one thousand, nine hundred eighty".