4278959 has 2 divisors, whose sum is σ = 4278960. Its totient is φ = 4278958.

The previous prime is 4278949. The next prime is 4278991. The reversal of 4278959 is 9598724.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4278959 - 2¹² = 4274863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4278949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2139479 + 2139480.

It is an arithmetic number, because the mean of its divisors is an integer number (2139480).

Almost surely, 2^4278959 is an apocalyptic number.

4278959 is a deficient number, since it is larger than the sum of its proper divisors (1).

4278959 is an equidigital number, since it uses as much as digits as its factorization.

4278959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The square root of 4278959 is about 2068.5644780862. The cubic root of 4278959 is about 162.3476631525.

The spelling of 4278959 in words is "four million, two hundred seventy-eight thousand, nine hundred fifty-nine".