6605920 has 96 divisors (see below), whose sum is σ = 17146080. Its totient is φ = 2396160.

The previous prime is 6605917. The next prime is 6605933. The reversal of 6605920 is 295066.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124614 + ... + 124666.

It is an arithmetic number, because the mean of its divisors is an integer number (178605).

Almost surely, 2^6605920 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 6605920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8573040).

6605920 is an abundant number, since it is smaller than the sum of its proper divisors (10540160).

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

6605920 is a wasteful number, since it uses less digits than its factorization.

6605920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 6605920 is about 2570.1984359189. The cubic root of 6605920 is about 187.6338126277.

The spelling of 6605920 in words is "six million, six hundred five thousand, nine hundred twenty".