6728308 has 12 divisors (see below), whose sum is σ = 11896612. Its totient is φ = 3329280.

The previous prime is 6728279. The next prime is 6728321. The reversal of 6728308 is 8038276.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4717584 + 2010724 = 2172^2 + 1418^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8283 + ... + 9058.

Almost surely, 2^6728308 is an apocalyptic number.

It is an amenable number.

6728308 is a deficient number, since it is larger than the sum of its proper divisors (5168304).

6728308 is a wasteful number, since it uses less digits than its factorization.

6728308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17442 (or 17440 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 6728308 is about 2593.8982246804. The cubic root of 6728308 is about 188.7854942532.

The spelling of 6728308 in words is "six million, seven hundred twenty-eight thousand, three hundred eight".