2240343 has 24 divisors (see below), whose sum is σ = 3788928. Its totient is φ = 1248912.

The previous prime is 2240341. The next prime is 2240351. The reversal of 2240343 is 3430422.

It is not a de Polignac number, because 2240343 - 2¹ = 2240341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2296 + ... + 3122.

It is an arithmetic number, because the mean of its divisors is an integer number (157872).

2^2240343 is an apocalyptic number.

2240343 is a deficient number, since it is larger than the sum of its proper divisors (1548585).

2240343 is a wasteful number, since it uses less digits than its factorization.

2240343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883 (or 880 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 2240343 is about 1496.7775385808. Note that the first 3 decimals coincide. The cubic root of 2240343 is about 130.8493304937.

Adding to 2240343 its reverse (3430422), we get a palindrome (5670765).

The spelling of 2240343 in words is "two million, two hundred forty thousand, three hundred forty-three".