2238743 has 8 divisors (see below), whose sum is σ = 2427600. Its totient is φ = 2064504.

The previous prime is 2238721. The next prime is 2238749. The reversal of 2238743 is 3478322.

It is not a de Polignac number, because 2238743 - 2⁸ = 2238487 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 2²¹ + 3⁷ + 8 + 7⁶ + 4² + 3⁹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2238749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1688 + ... + 2706.

It is an arithmetic number, because the mean of its divisors is an integer number (303450).

2^2238743 is an apocalyptic number.

2238743 is a deficient number, since it is larger than the sum of its proper divisors (188857).

2238743 is an equidigital number, since it uses as much as digits as its factorization.

2238743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058 (or 1032 counting only the distinct ones).

The product of its digits is 8064, while the sum is 29.

The square root of 2238743 is about 1496.2429615540. The cubic root of 2238743 is about 130.8181732426.

The spelling of 2238743 in words is "two million, two hundred thirty-eight thousand, seven hundred forty-three".