6806471 has 4 divisors (see below), whose sum is σ = 7778832. Its totient is φ = 5834112.

The previous prime is 6806467. The next prime is 6806473. The reversal of 6806471 is 1746086.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1746086 = 2 ⋅873043.

It is a cyclic number.

It is not a de Polignac number, because 6806471 - 2² = 6806467 is a prime.

It is a super-3 number, since 3×6806471³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6806473) 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, 486170 + ... + 486183.

It is an arithmetic number, because the mean of its divisors is an integer number (1944708).

Almost surely, 2^6806471 is an apocalyptic number.

6806471 is a deficient number, since it is larger than the sum of its proper divisors (972361).

6806471 is an equidigital number, since it uses as much as digits as its factorization.

6806471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972360.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 6806471 is about 2608.9214246504. The cubic root of 6806471 is about 189.5137241959.

The spelling of 6806471 in words is "six million, eight hundred six thousand, four hundred seventy-one".