4043959 has 2 divisors, whose sum is σ = 4043960. Its totient is φ = 4043958.

The previous prime is 4043957. The next prime is 4043983. The reversal of 4043959 is 9593404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4043959 - 2¹ = 4043957 is a prime.

Together with 4043957, 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 (4043957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021979 + 2021980.

It is an arithmetic number, because the mean of its divisors is an integer number (2021980).

Almost surely, 2^4043959 is an apocalyptic number.

4043959 is a deficient number, since it is larger than the sum of its proper divisors (1).

4043959 is an equidigital number, since it uses as much as digits as its factorization.

4043959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 4043959 is about 2010.9597211282. The cubic root of 4043959 is about 159.3194926013.

It can be divided in two parts, 404395 and 9, that added together give a palindrome (404404).

The spelling of 4043959 in words is "four million, forty-three thousand, nine hundred fifty-nine".