4044431 has 2 divisors, whose sum is σ = 4044432. Its totient is φ = 4044430.

The previous prime is 4044421. The next prime is 4044437. The reversal of 4044431 is 1344404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4044431 - 2¹⁰ = 4043407 is a prime.

It is a super-2 number, since 2×4044431² = 32714844227522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4044437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2022215 + 2022216.

It is an arithmetic number, because the mean of its divisors is an integer number (2022216).

Almost surely, 2^4044431 is an apocalyptic number.

4044431 is a deficient number, since it is larger than the sum of its proper divisors (1).

4044431 is an equidigital number, since it uses as much as digits as its factorization.

4044431 is an odious number, because the sum of its binary digits is odd.

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

The square root of 4044431 is about 2011.0770746046. The cubic root of 4044431 is about 159.3256908075.

Adding to 4044431 its reverse (1344404), we get a palindrome (5388835).

The spelling of 4044431 in words is "four million, forty-four thousand, four hundred thirty-one".