6629928 has 16 divisors (see below), whose sum is σ = 16574880. Its totient is φ = 2209968.

The previous prime is 6629927. The next prime is 6629941. The reversal of 6629928 is 8299266.

It is a self number, because there is not a number n which added to its sum of digits gives 6629928.

It is not an unprimeable number, because it can be changed into a prime (6629921) 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, 138100 + ... + 138147.

It is an arithmetic number, because the mean of its divisors is an integer number (1035930).

Almost surely, 2^6629928 is an apocalyptic number.

It is an amenable number.

6629928 is an abundant number, since it is smaller than the sum of its proper divisors (9944952).

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

6629928 is a wasteful number, since it uses less digits than its factorization.

6629928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276256 (or 276252 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 6629928 is about 2574.8646566373. The cubic root of 6629928 is about 187.8608446628.

It can be divided in two parts, 6629 and 928, that added together give a palindrome (7557).

The spelling of 6629928 in words is "six million, six hundred twenty-nine thousand, nine hundred twenty-eight".