2568338 has 4 divisors (see below), whose sum is σ = 3852510. Its totient is φ = 1284168.

The previous prime is 2568331. The next prime is 2568361. The reversal of 2568338 is 8338652.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2380849 + 187489 = 1543^2 + 433^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2568298 and 2568307.

It is not an unprimeable number, because it can be changed into a prime (2568331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642083 + ... + 642086.

2^2568338 is an apocalyptic number.

2568338 is a deficient number, since it is larger than the sum of its proper divisors (1284172).

2568338 is a wasteful number, since it uses less digits than its factorization.

2568338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284171.

The product of its digits is 34560, while the sum is 35.

The square root of 2568338 is about 1602.6035067976. The cubic root of 2568338 is about 136.9464333180.

The spelling of 2568338 in words is "two million, five hundred sixty-eight thousand, three hundred thirty-eight".