2479980 has 24 divisors (see below), whose sum is σ = 6944112. Its totient is φ = 661312.

The previous prime is 2479963. The next prime is 2479987. The reversal of 2479980 is 899742.

It is not an unprimeable number, because it can be changed into a prime (2479987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20607 + ... + 20726.

It is an arithmetic number, because the mean of its divisors is an integer number (289338).

2^2479980 is an apocalyptic number.

2479980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2479980 is an abundant number, since it is smaller than the sum of its proper divisors (4464132).

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

2479980 is a wasteful number, since it uses less digits than its factorization.

2479980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41345 (or 41343 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 2479980 is about 1574.7952247832. The cubic root of 2479980 is about 135.3576251756.

The spelling of 2479980 in words is "two million, four hundred seventy-nine thousand, nine hundred eighty".