814459 has 4 divisors (see below), whose sum is σ = 819504. Its totient is φ = 809416.

The previous prime is 814447. The next prime is 814469. The reversal of 814459 is 954418.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 954418 = 2 ⋅477209.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-814459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 814459.

It is not an unprimeable number, because it can be changed into a prime (814469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2272 + ... + 2605.

It is an arithmetic number, because the mean of its divisors is an integer number (204876).

2⁸¹⁴⁴⁵⁹ is an apocalyptic number.

814459 is a deficient number, since it is larger than the sum of its proper divisors (5045).

814459 is a wasteful number, since it uses less digits than its factorization.

814459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5044.

The product of its digits is 5760, while the sum is 31.

The square root of 814459 is about 902.4738223350. The cubic root of 814459 is about 93.3877134910.

The spelling of 814459 in words is "eight hundred fourteen thousand, four hundred fifty-nine".