6605445 has 96 divisors (see below), whose sum is σ = 14446080. Its totient is φ = 2540160.

The previous prime is 6605441. The next prime is 6605471. The reversal of 6605445 is 5445066.

6605445 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6605445 - 2² = 6605441 is a prime.

6605445 is a modest number, since divided by 5445 gives 660 as remainder.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6605441) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 153594 + ... + 153636.

It is an arithmetic number, because the mean of its divisors is an integer number (150480).

Almost surely, 2^6605445 is an apocalyptic number.

It is an amenable number.

6605445 is an abundant number, since it is smaller than the sum of its proper divisors (7840635).

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

6605445 is a wasteful number, since it uses less digits than its factorization.

6605445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 6605445 is about 2570.1060289412. The cubic root of 6605445 is about 187.6293152376.

It can be divided in two parts, 660 and 5445, that added together give a triangular number (6105 = T₁₁₀).

The spelling of 6605445 in words is "six million, six hundred five thousand, four hundred forty-five".