4078559 has 8 divisors (see below), whose sum is σ = 4339440. Its totient is φ = 3822336.

The previous prime is 4078523. The next prime is 4078561. The reversal of 4078559 is 9558704.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4078559 - 2¹² = 4074463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4078579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 737 + ... + 2949.

It is an arithmetic number, because the mean of its divisors is an integer number (542430).

Almost surely, 2^4078559 is an apocalyptic number.

4078559 is a deficient number, since it is larger than the sum of its proper divisors (260881).

4078559 is a wasteful number, since it uses less digits than its factorization.

4078559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2329.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 4078559 is about 2019.5442555191. The cubic root of 4078559 is about 159.7725805515.

It can be divided in two parts, 407855 and 9, that multiplied together give a triangular number (3670695 = T₂₇₀₉).

The spelling of 4078559 in words is "four million, seventy-eight thousand, five hundred fifty-nine".