806459 has 4 divisors (see below), whose sum is σ = 814104. Its totient is φ = 798816.

The previous prime is 806453. The next prime is 806467. The reversal of 806459 is 954608.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 806459 - 2⁸ = 806203 is a prime.

It is a super-2 number, since 2×806459² = 1300752237362, which contains 22 as substring.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 806459.

It is not an unprimeable number, because it can be changed into a prime (806453) 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 in 3 ways as a sum of consecutive naturals, for example, 3662 + ... + 3875.

It is an arithmetic number, because the mean of its divisors is an integer number (203526).

2⁸⁰⁶⁴⁵⁹ is an apocalyptic number.

806459 is a deficient number, since it is larger than the sum of its proper divisors (7645).

806459 is a wasteful number, since it uses less digits than its factorization.

806459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7644.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 806459 is about 898.0306230859. The cubic root of 806459 is about 93.0809408265.

The spelling of 806459 in words is "eight hundred six thousand, four hundred fifty-nine".