6547849 has 8 divisors (see below), whose sum is σ = 8163648. Its totient is φ = 5102160.

The previous prime is 6547841. The next prime is 6547859. The reversal of 6547849 is 9487456.

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

It is not a de Polignac number, because 6547849 - 2³ = 6547841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6547841) 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, 42442 + ... + 42595.

It is an arithmetic number, because the mean of its divisors is an integer number (1020456).

Almost surely, 2^6547849 is an apocalyptic number.

It is an amenable number.

6547849 is a deficient number, since it is larger than the sum of its proper divisors (1615799).

6547849 is a wasteful number, since it uses less digits than its factorization.

6547849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85055.

The product of its digits is 241920, while the sum is 43.

The square root of 6547849 is about 2558.8765112838. The cubic root of 6547849 is about 187.0823795578.

It can be divided in two parts, 6547 and 849, that added together give a square (7396 = 86²).

The spelling of 6547849 in words is "six million, five hundred forty-seven thousand, eight hundred forty-nine".