6841649 has 8 divisors (see below), whose sum is σ = 7292160. Its totient is φ = 6403936.

The previous prime is 6841609. The next prime is 6841663. The reversal of 6841649 is 9461486.

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

It is not a de Polignac number, because 6841649 - 2¹⁶ = 6776113 is a prime.

It is a super-2 number, since 2×6841649² = 93616322078402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6841609) 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, 2084 + ... + 4245.

It is an arithmetic number, because the mean of its divisors is an integer number (911520).

Almost surely, 2^6841649 is an apocalyptic number.

It is an amenable number.

6841649 is a deficient number, since it is larger than the sum of its proper divisors (450511).

6841649 is a wasteful number, since it uses less digits than its factorization.

6841649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6399.

The product of its digits is 41472, while the sum is 38.

The square root of 6841649 is about 2615.6546025804. The cubic root of 6841649 is about 189.8396523420.

The spelling of 6841649 in words is "six million, eight hundred forty-one thousand, six hundred forty-nine".