2240843 has 4 divisors (see below), whose sum is σ = 2444568. Its totient is φ = 2037120.

The previous prime is 2240839. The next prime is 2240851. The reversal of 2240843 is 3480422.

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 2240843 - 2² = 2240839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2240863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101846 + ... + 101867.

It is an arithmetic number, because the mean of its divisors is an integer number (611142).

2^2240843 is an apocalyptic number.

2240843 is a deficient number, since it is larger than the sum of its proper divisors (203725).

2240843 is a wasteful number, since it uses less digits than its factorization.

2240843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203724.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2240843 is about 1496.9445547514. The cubic root of 2240843 is about 130.8590640924.

The spelling of 2240843 in words is "two million, two hundred forty thousand, eight hundred forty-three".