6728849 has 8 divisors (see below), whose sum is σ = 6987648. Its totient is φ = 6474960.

The previous prime is 6728837. The next prime is 6728861. The reversal of 6728849 is 9488276.

It is an interprime number because it is at equal distance from previous prime (6728837) and next prime (6728861).

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

It is a cyclic number.

It is not a de Polignac number, because 6728849 - 2⁴ = 6728833 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6728809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1694 + ... + 4040.

It is an arithmetic number, because the mean of its divisors is an integer number (873456).

Almost surely, 2^6728849 is an apocalyptic number.

It is an amenable number.

6728849 is a deficient number, since it is larger than the sum of its proper divisors (258799).

6728849 is a wasteful number, since it uses less digits than its factorization.

6728849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455.

The product of its digits is 193536, while the sum is 44.

The square root of 6728849 is about 2594.0025057814. The cubic root of 6728849 is about 188.7905539807.

The spelling of 6728849 in words is "six million, seven hundred twenty-eight thousand, eight hundred forty-nine".