6650628 has 36 divisors (see below), whose sum is σ = 16096080. Its totient is φ = 2137184.

The previous prime is 6650603. The next prime is 6650629. The reversal of 6650628 is 8260566.

It is not an unprimeable number, because it can be changed into a prime (6650629) 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 11 ways as a sum of consecutive naturals, for example, 9763 + ... + 10421.

Almost surely, 2^6650628 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6650628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8048040).

6650628 is an abundant number, since it is smaller than the sum of its proper divisors (9445452).

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

6650628 is a wasteful number, since it uses less digits than its factorization.

6650628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 6650628 is about 2578.8811527482. The cubic root of 6650628 is about 188.0561549468.

The spelling of 6650628 in words is "six million, six hundred fifty thousand, six hundred twenty-eight".