2044743 has 8 divisors (see below), whose sum is σ = 2886768. Its totient is φ = 1282944.

The previous prime is 2044739. The next prime is 2044753. The reversal of 2044743 is 3474402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2044743 - 2² = 2044739 is a prime.

2044743 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044733) 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 7 ways as a sum of consecutive naturals, for example, 19996 + ... + 20097.

It is an arithmetic number, because the mean of its divisors is an integer number (360846).

2^2044743 is an apocalyptic number.

2044743 is a deficient number, since it is larger than the sum of its proper divisors (842025).

2044743 is a wasteful number, since it uses less digits than its factorization.

2044743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40113.

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 2044743 is about 1429.9451038414. The cubic root of 2044743 is about 126.9247285792.

The spelling of 2044743 in words is "two million, forty-four thousand, seven hundred forty-three".