6809231 has 16 divisors (see below), whose sum is σ = 8473248. Its totient is φ = 5376000.

The previous prime is 6809213. The next prime is 6809251. The reversal of 6809231 is 1329086.

It is a cyclic number.

It is not a de Polignac number, because 6809231 - 2⁶ = 6809167 is a prime.

It is a super-2 number, since 2×6809231² = 92731253622722, 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 = 6809194 and 6809203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6809251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1031 + ... + 3831.

It is an arithmetic number, because the mean of its divisors is an integer number (529578).

Almost surely, 2^6809231 is an apocalyptic number.

6809231 is a deficient number, since it is larger than the sum of its proper divisors (1664017).

6809231 is a wasteful number, since it uses less digits than its factorization.

6809231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 6809231 is about 2609.4503252601. The cubic root of 6809231 is about 189.5393364501.

The spelling of 6809231 in words is "six million, eight hundred nine thousand, two hundred thirty-one".