6650620 has 24 divisors (see below), whose sum is σ = 14047488. Its totient is φ = 2644800.

The previous prime is 6650603. The next prime is 6650629. The reversal of 6650620 is 260566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6650629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2950 + ... + 4690.

It is an arithmetic number, because the mean of its divisors is an integer number (585312).

Almost surely, 2^6650620 is an apocalyptic number.

It is an amenable number.

6650620 is an abundant number, since it is smaller than the sum of its proper divisors (7396868).

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

6650620 is a wasteful number, since it uses less digits than its factorization.

6650620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941 (or 1939 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 6650620 is about 2578.8796016875. The cubic root of 6650620 is about 188.0560795429.

The spelling of 6650620 in words is "six million, six hundred fifty thousand, six hundred twenty".