2240783 has 4 divisors (see below), whose sum is σ = 2249760. Its totient is φ = 2231808.

The previous prime is 2240779. The next prime is 2240789. The reversal of 2240783 is 3870422.

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 2240783 - 2² = 2240779 is a prime.

It is a super-2 number, since 2×2240783² = 10042216906178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240789) 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, 4103 + ... + 4616.

It is an arithmetic number, because the mean of its divisors is an integer number (562440).

2^2240783 is an apocalyptic number.

2240783 is a deficient number, since it is larger than the sum of its proper divisors (8977).

2240783 is an equidigital number, since it uses as much as digits as its factorization.

2240783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8976.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 2240783 is about 1496.9245137949. The cubic root of 2240783 is about 130.8578961370.

The spelling of 2240783 in words is "two million, two hundred forty thousand, seven hundred eighty-three".