4044749 has 2 divisors, whose sum is σ = 4044750. Its totient is φ = 4044748.

The previous prime is 4044743. The next prime is 4044751. The reversal of 4044749 is 9474404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3678724 + 366025 = 1918^2 + 605^2 .

It is a cyclic number.

It is not a de Polignac number, because 4044749 - 2¹² = 4040653 is a prime.

Together with 4044751, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4044743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2022374 + 2022375.

It is an arithmetic number, because the mean of its divisors is an integer number (2022375).

Almost surely, 2^4044749 is an apocalyptic number.

It is an amenable number.

4044749 is a deficient number, since it is larger than the sum of its proper divisors (1).

4044749 is an equidigital number, since it uses as much as digits as its factorization.

4044749 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 32.

The square root of 4044749 is about 2011.1561351621. The cubic root of 4044749 is about 159.3298664457.

The spelling of 4044749 in words is "four million, forty-four thousand, seven hundred forty-nine".