2086459 has 2 divisors, whose sum is σ = 2086460. Its totient is φ = 2086458.

The previous prime is 2086457. The next prime is 2086481. The reversal of 2086459 is 9546802.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2086459 - 2¹ = 2086457 is a prime.

It is a super-2 number, since 2×2086459² = 8706622317362, which contains 22 as substring.

Together with 2086457, it forms a pair of twin primes.

It is equal to p₁₅₄₈₇₉ and since 2086459 and 154879 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 (2086457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1043229 + 1043230.

It is an arithmetic number, because the mean of its divisors is an integer number (1043230).

2^2086459 is an apocalyptic number.

2086459 is a deficient number, since it is larger than the sum of its proper divisors (1).

2086459 is an equidigital number, since it uses as much as digits as its factorization.

2086459 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 2086459 is about 1444.4580298506. The cubic root of 2086459 is about 127.7820795583.

The spelling of 2086459 in words is "two million, eighty-six thousand, four hundred fifty-nine".