6680428 has 12 divisors (see below), whose sum is σ = 11721472. Its totient is φ = 3331440.

The previous prime is 6680413. The next prime is 6680431. The reversal of 6680428 is 8240866.

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 junction number, because it is equal to n+sod(n) for n = 6680393 and 6680402.

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, 300 + ... + 3667.

Almost surely, 2^6680428 is an apocalyptic number.

It is an amenable number.

6680428 is a deficient number, since it is larger than the sum of its proper divisors (5041044).

6680428 is a wasteful number, since it uses less digits than its factorization.

6680428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4392 (or 4390 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 6680428 is about 2584.6523944237. The cubic root of 6680428 is about 188.3366158790.

The spelling of 6680428 in words is "six million, six hundred eighty thousand, four hundred twenty-eight".