814089 has 4 divisors (see below), whose sum is σ = 1085456. Its totient is φ = 542724.

The previous prime is 814081. The next prime is 814097. The reversal of 814089 is 980418.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (814081) and next prime (814097).

It is not a de Polignac number, because 814089 - 2³ = 814081 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (814081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135679 + ... + 135684.

It is an arithmetic number, because the mean of its divisors is an integer number (271364).

2⁸¹⁴⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

814089 is a deficient number, since it is larger than the sum of its proper divisors (271367).

814089 is a wasteful number, since it uses less digits than its factorization.

814089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271366.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 814089 is about 902.2688069528. The cubic root of 814089 is about 93.3735696696.

The spelling of 814089 in words is "eight hundred fourteen thousand, eighty-nine".