6628678 has 8 divisors (see below), whose sum is σ = 11363472. Its totient is φ = 2840856.

The previous prime is 6628673. The next prime is 6628679. The reversal of 6628678 is 8768266.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6628673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236725 + ... + 236752.

It is an arithmetic number, because the mean of its divisors is an integer number (1420434).

Almost surely, 2^6628678 is an apocalyptic number.

6628678 is a deficient number, since it is larger than the sum of its proper divisors (4734794).

6628678 is a wasteful number, since it uses less digits than its factorization.

6628678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473486.

The product of its digits is 193536, while the sum is 43.

The square root of 6628678 is about 2574.6219139905. The cubic root of 6628678 is about 187.8490375554.

The spelling of 6628678 in words is "six million, six hundred twenty-eight thousand, six hundred seventy-eight".