2259404 has 48 divisors (see below), whose sum is σ = 4945920. Its totient is φ = 881280.

The previous prime is 2259403. The next prime is 2259407. The reversal of 2259404 is 4049522.

2259404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2259403) by changing a digit.

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, 16424 + ... + 16560.

It is an arithmetic number, because the mean of its divisors is an integer number (103040).

2^2259404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2259404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2472960).

2259404 is an abundant number, since it is smaller than the sum of its proper divisors (2686516).

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

2259404 is a wasteful number, since it uses less digits than its factorization.

2259404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2259404 is about 1503.1313981153. The cubic root of 2259404 is about 131.2193748652.

The spelling of 2259404 in words is "two million, two hundred fifty-nine thousand, four hundred four".