2288790 has 96 divisors (see below), whose sum is σ = 7140960. Its totient is φ = 520128.

The previous prime is 2288773. The next prime is 2288801. The reversal of 2288790 is 978822.

2288790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 47 ways as a sum of consecutive naturals, for example, 13144 + ... + 13316.

It is an arithmetic number, because the mean of its divisors is an integer number (74385).

2^2288790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2288790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3570480).

2288790 is an abundant number, since it is smaller than the sum of its proper divisors (4852170).

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

2288790 is a wasteful number, since it uses less digits than its factorization.

2288790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 2288790 is about 1512.8747469635. The cubic root of 2288790 is about 131.7858096559.

The spelling of 2288790 in words is "two million, two hundred eighty-eight thousand, seven hundred ninety".