2306238 has 32 divisors (see below), whose sum is σ = 5104512. Its totient is φ = 688800.

The previous prime is 2306221. The next prime is 2306261. The reversal of 2306238 is 8326032.

2306238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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, 5268 + ... + 5688.

It is an arithmetic number, because the mean of its divisors is an integer number (159516).

2^2306238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2306238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2552256).

2306238 is an abundant number, since it is smaller than the sum of its proper divisors (2798274).

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

2306238 is a wasteful number, since it uses less digits than its factorization.

2306238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2306238 is about 1518.6303039252. The cubic root of 2306238 is about 132.1198406606.

The spelling of 2306238 in words is "two million, three hundred six thousand, two hundred thirty-eight".