2789120 has 36 divisors (see below), whose sum is σ = 6683880. Its totient is φ = 1115136.

The previous prime is 2789119. The next prime is 2789123. The reversal of 2789120 is 219872.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2789123) 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, 191 + ... + 2369.

2^2789120 is an apocalyptic number.

2789120 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 2789120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3341940).

2789120 is an abundant number, since it is smaller than the sum of its proper divisors (3894760).

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

2789120 is an equidigital number, since it uses as much as digits as its factorization.

2789120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200 (or 2186 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 2789120 is about 1670.0658669645. The cubic root of 2789120 is about 140.7631790770.

The spelling of 2789120 in words is "two million, seven hundred eighty-nine thousand, one hundred twenty".