2879980 has 12 divisors (see below), whose sum is σ = 6048000. Its totient is φ = 1151984.

The previous prime is 2879971. The next prime is 2879999. The reversal of 2879980 is 899782.

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, 71980 + ... + 72019.

It is an arithmetic number, because the mean of its divisors is an integer number (504000).

2^2879980 is an apocalyptic number.

2879980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2879980 is an abundant number, since it is smaller than the sum of its proper divisors (3168020).

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

2879980 is a wasteful number, since it uses less digits than its factorization.

2879980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144008 (or 144006 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 2879980 is about 1697.0503822810. The cubic root of 2879980 is about 142.2754028369.

It can be divided in two parts, 28 and 79980, that added together give a palindrome (80008).

The spelling of 2879980 in words is "two million, eight hundred seventy-nine thousand, nine hundred eighty".