6628842 has 24 divisors (see below), whose sum is σ = 15668640. Its totient is φ = 2008680.

The previous prime is 6628819. The next prime is 6628847. The reversal of 6628842 is 2488266.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 6628797 and 6628806.

It is not an unprimeable number, because it can be changed into a prime (6628847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16542 + ... + 16937.

It is an arithmetic number, because the mean of its divisors is an integer number (652860).

Almost surely, 2^6628842 is an apocalyptic number.

6628842 is an abundant number, since it is smaller than the sum of its proper divisors (9039798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6628842 is a wasteful number, since it uses less digits than its factorization.

6628842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33498 (or 33495 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 6628842 is about 2574.6537631301. The cubic root of 6628842 is about 187.8505867325.

The spelling of 6628842 in words is "six million, six hundred twenty-eight thousand, eight hundred forty-two".