814859 has 2 divisors, whose sum is σ = 814860. Its totient is φ = 814858.

The previous prime is 814841. The next prime is 814873. The reversal of 814859 is 958418.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 814859 - 2⁸ = 814603 is a prime.

It is a Chen prime.

It is a plaindrome in base 12 and base 15.

It is not a weakly prime, because it can be changed into another prime (814829) 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, 407429 + 407430.

It is an arithmetic number, because the mean of its divisors is an integer number (407430).

2⁸¹⁴⁸⁵⁹ is an apocalyptic number.

814859 is a deficient number, since it is larger than the sum of its proper divisors (1).

814859 is an equidigital number, since it uses as much as digits as its factorization.

814859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 35.

The square root of 814859 is about 902.6954082081. The cubic root of 814859 is about 93.4029992908.

The spelling of 814859 in words is "eight hundred fourteen thousand, eight hundred fifty-nine".