4049959 has 2 divisors, whose sum is σ = 4049960. Its totient is φ = 4049958.

The previous prime is 4049953. The next prime is 4049977. The reversal of 4049959 is 9599404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4049959 - 2¹⁵ = 4017191 is a prime.

4049959 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4049953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2024979 + 2024980.

It is an arithmetic number, because the mean of its divisors is an integer number (2024980).

Almost surely, 2^4049959 is an apocalyptic number.

4049959 is a deficient number, since it is larger than the sum of its proper divisors (1).

4049959 is an equidigital number, since it uses as much as digits as its factorization.

4049959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 4049959 is about 2012.4509931921. The cubic root of 4049959 is about 159.3982474867.

The spelling of 4049959 in words is "four million, forty-nine thousand, nine hundred fifty-nine".