2297838 has 16 divisors (see below), whose sum is σ = 4795776. Its totient is φ = 732600.

The previous prime is 2297819. The next prime is 2297843. The reversal of 2297838 is 8387922.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2297796 and 2297805.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8188 + ... + 8463.

It is an arithmetic number, because the mean of its divisors is an integer number (299736).

2^2297838 is an apocalyptic number.

2297838 is an abundant number, since it is smaller than the sum of its proper divisors (2497938).

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

2297838 is a wasteful number, since it uses less digits than its factorization.

2297838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16679.

The product of its digits is 48384, while the sum is 39.

The square root of 2297838 is about 1515.8621309341. The cubic root of 2297838 is about 131.9592390215.

The spelling of 2297838 in words is "two million, two hundred ninety-seven thousand, eight hundred thirty-eight".