6806489 has 4 divisors (see below), whose sum is σ = 6814080. Its totient is φ = 6798900.

The previous prime is 6806479. The next prime is 6806509. The reversal of 6806489 is 9846086.

6806489 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6806489 - 2⁴ = 6806473 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6806479) 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, 2237 + ... + 4314.

It is an arithmetic number, because the mean of its divisors is an integer number (1703520).

Almost surely, 2^6806489 is an apocalyptic number.

It is an amenable number.

6806489 is a deficient number, since it is larger than the sum of its proper divisors (7591).

6806489 is a wasteful number, since it uses less digits than its factorization.

6806489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7590.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 6806489 is about 2608.9248743496. The cubic root of 6806489 is about 189.5138912548.

The spelling of 6806489 in words is "six million, eight hundred six thousand, four hundred eighty-nine".