4044413 has 2 divisors, whose sum is σ = 4044414. Its totient is φ = 4044412.

The previous prime is 4044407. The next prime is 4044421. The reversal of 4044413 is 3144404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3523129 + 521284 = 1877^2 + 722^2 .

It is a cyclic number.

It is not a de Polignac number, because 4044413 - 2¹² = 4040317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4044463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2022206 + 2022207.

It is an arithmetic number, because the mean of its divisors is an integer number (2022207).

Almost surely, 2^4044413 is an apocalyptic number.

It is an amenable number.

4044413 is a deficient number, since it is larger than the sum of its proper divisors (1).

4044413 is an equidigital number, since it uses as much as digits as its factorization.

4044413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4044413 is about 2011.0725993857. The cubic root of 4044413 is about 159.3254544441.

Adding to 4044413 its reverse (3144404), we get a palindrome (7188817).

Subtracting from 4044413 its reverse (3144404), we obtain a palindrome (900009).

The spelling of 4044413 in words is "four million, forty-four thousand, four hundred thirteen".