814231 has 4 divisors (see below), whose sum is σ = 888264. Its totient is φ = 740200.

The previous prime is 814213. The next prime is 814237. The reversal of 814231 is 132418.

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 814231 - 2⁵ = 814199 is a prime.

It is a super-2 number, since 2×814231² = 1325944242722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 814199 and 814208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814237) 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, 37000 + ... + 37021.

It is an arithmetic number, because the mean of its divisors is an integer number (222066).

2⁸¹⁴²³¹ is an apocalyptic number.

814231 is a deficient number, since it is larger than the sum of its proper divisors (74033).

814231 is a wasteful number, since it uses less digits than its factorization.

814231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74032.

The product of its digits is 192, while the sum is 19.

The square root of 814231 is about 902.3474940399. The cubic root of 814231 is about 93.3789983455.

Adding to 814231 its reverse (132418), we get a palindrome (946649).

The spelling of 814231 in words is "eight hundred fourteen thousand, two hundred thirty-one".