4026859 has 2 divisors, whose sum is σ = 4026860. Its totient is φ = 4026858.

The previous prime is 4026857. The next prime is 4026889. The reversal of 4026859 is 9586204.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4026859 - 2¹ = 4026857 is a prime.

It is a super-3 number, since 3×4026859³ (a number of 21 digits) contains 333 as substring.

Together with 4026857, it forms a pair of twin primes.

It is an Ulam number.

It is equal to p₂₈₄₉₂₉ and since 4026859 and 284929 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (4026857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2013429 + 2013430.

It is an arithmetic number, because the mean of its divisors is an integer number (2013430).

Almost surely, 2^4026859 is an apocalyptic number.

4026859 is a deficient number, since it is larger than the sum of its proper divisors (1).

4026859 is an equidigital number, since it uses as much as digits as its factorization.

4026859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 4026859 is about 2006.7035157193. The cubic root of 4026859 is about 159.0946129404.

The spelling of 4026859 in words is "four million, twenty-six thousand, eight hundred fifty-nine".