2268791 has 4 divisors (see below), whose sum is σ = 2592912. Its totient is φ = 1944672.

The previous prime is 2268779. The next prime is 2268793. The reversal of 2268791 is 1978622.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2268791 - 2¹⁴ = 2252407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2268793) 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, 162050 + ... + 162063.

It is an arithmetic number, because the mean of its divisors is an integer number (648228).

2^2268791 is an apocalyptic number.

2268791 is a deficient number, since it is larger than the sum of its proper divisors (324121).

2268791 is an equidigital number, since it uses as much as digits as its factorization.

2268791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324120.

The product of its digits is 12096, while the sum is 35.

The square root of 2268791 is about 1506.2506431534. The cubic root of 2268791 is about 131.4008466701.

The spelling of 2268791 in words is "two million, two hundred sixty-eight thousand, seven hundred ninety-one".