814489 has 4 divisors (see below), whose sum is σ = 877156. Its totient is φ = 751824.

The previous prime is 814477. The next prime is 814493. The reversal of 814489 is 984418.

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

It can be written as a sum of positive squares in 2 ways, for example, as 166464 + 648025 = 408^2 + 805^2 .

It is a cyclic number.

It is not a de Polignac number, because 814489 - 2¹³ = 806297 is a prime.

It is a super-2 number, since 2×814489² = 1326784662242, which contains 22 as substring.

It is a Duffinian number.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31314 + ... + 31339.

It is an arithmetic number, because the mean of its divisors is an integer number (219289).

2⁸¹⁴⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

814489 is a deficient number, since it is larger than the sum of its proper divisors (62667).

814489 is a wasteful number, since it uses less digits than its factorization.

814489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62666.

The product of its digits is 9216, while the sum is 34.

The square root of 814489 is about 902.4904431627. The cubic root of 814489 is about 93.3888600995.

It can be divided in two parts, 81 and 4489, that multiplied together give a square (363609 = 603²).

The spelling of 814489 in words is "eight hundred fourteen thousand, four hundred eighty-nine".