2268493 has 4 divisors (see below), whose sum is σ = 2283100. Its totient is φ = 2253888.

The previous prime is 2268481. The next prime is 2268503. The reversal of 2268493 is 3948622.

2268493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1633284 + 635209 = 1278^2 + 797^2 .

It is a cyclic number.

It is not a de Polignac number, because 2268493 - 2⁹ = 2267981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2268403) 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 3 ways as a sum of consecutive naturals, for example, 7068 + ... + 7381.

It is an arithmetic number, because the mean of its divisors is an integer number (570775).

2^2268493 is an apocalyptic number.

It is an amenable number.

2268493 is a deficient number, since it is larger than the sum of its proper divisors (14607).

2268493 is a wasteful number, since it uses less digits than its factorization.

2268493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14606.

The product of its digits is 20736, while the sum is 34.

The square root of 2268493 is about 1506.1517187853. The cubic root of 2268493 is about 131.3950933612.

The spelling of 2268493 in words is "two million, two hundred sixty-eight thousand, four hundred ninety-three".