6805149 has 8 divisors (see below), whose sum is σ = 9771552. Its totient is φ = 4187760.

The previous prime is 6805121. The next prime is 6805157. The reversal of 6805149 is 9415086.

6805149 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-6805149 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6805109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87207 + ... + 87284.

It is an arithmetic number, because the mean of its divisors is an integer number (1221444).

Almost surely, 2^6805149 is an apocalyptic number.

It is an amenable number.

6805149 is a deficient number, since it is larger than the sum of its proper divisors (2966403).

6805149 is a wasteful number, since it uses less digits than its factorization.

6805149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174507.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 6805149 is about 2608.6680509409. The cubic root of 6805149 is about 189.5014538449.

The spelling of 6805149 in words is "six million, eight hundred five thousand, one hundred forty-nine".