2044789 has 2 divisors, whose sum is σ = 2044790. Its totient is φ = 2044788.

The previous prime is 2044787. The next prime is 2044831. The reversal of 2044789 is 9874402.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1664100 + 380689 = 1290^2 + 617^2 .

It is a cyclic number.

It is not a de Polignac number, because 2044789 - 2¹ = 2044787 is a prime.

Together with 2044787, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2044787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022394 + 1022395.

It is an arithmetic number, because the mean of its divisors is an integer number (1022395).

2^2044789 is an apocalyptic number.

It is an amenable number.

2044789 is a deficient number, since it is larger than the sum of its proper divisors (1).

2044789 is an equidigital number, since it uses as much as digits as its factorization.

2044789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2044789 is about 1429.9611882845. The cubic root of 2044789 is about 126.9256803685.

The spelling of 2044789 in words is "two million, forty-four thousand, seven hundred eighty-nine".