2259438 has 8 divisors (see below), whose sum is σ = 4518888. Its totient is φ = 753144.

The previous prime is 2259437. The next prime is 2259449. The reversal of 2259438 is 8349522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

2259438 is an admirable number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 2259399 and 2259408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2259437) 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 3 ways as a sum of consecutive naturals, for example, 188281 + ... + 188292.

It is an arithmetic number, because the mean of its divisors is an integer number (564861).

2^2259438 is an apocalyptic number.

2259438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2259438 is a wasteful number, since it uses less digits than its factorization.

2259438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376578.

The product of its digits is 17280, while the sum is 33.

The square root of 2259438 is about 1503.1427077959. The cubic root of 2259438 is about 131.2200330678.

The spelling of 2259438 in words is "two million, two hundred fifty-nine thousand, four hundred thirty-eight".