2289980 has 48 divisors (see below), whose sum is σ = 5999616. Its totient is φ = 713280.

The previous prime is 2289979. The next prime is 2290003. The reversal of 2289980 is 899822.

2289980 = T₃₀₉ + T₃₁₀ + ... + T₃₅₀.

2289980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 797 + ... + 2283.

It is an arithmetic number, because the mean of its divisors is an integer number (124992).

2^2289980 is an apocalyptic number.

2289980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2289980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2999808).

2289980 is an abundant number, since it is smaller than the sum of its proper divisors (3709636).

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

2289980 is a wasteful number, since it uses less digits than its factorization.

2289980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514 (or 1512 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 2289980 is about 1513.2679868417. The cubic root of 2289980 is about 131.8086452943.

It can be divided in two parts, 2 and 289980, that added together give a palindrome (289982).

The spelling of 2289980 in words is "two million, two hundred eighty-nine thousand, nine hundred eighty".