6604845 has 16 divisors (see below), whose sum is σ = 11380992. Its totient is φ = 3251520.

The previous prime is 6604817. The next prime is 6604847. The reversal of 6604845 is 5484066.

It is a happy number.

It is not a de Polignac number, because 6604845 - 2¹¹ = 6602797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6604847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16741 + ... + 17130.

It is an arithmetic number, because the mean of its divisors is an integer number (711312).

Almost surely, 2^6604845 is an apocalyptic number.

6604845 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6604845 is a deficient number, since it is larger than the sum of its proper divisors (4776147).

6604845 is a wasteful number, since it uses less digits than its factorization.

6604845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33892.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 6604845 is about 2569.9892995886. The cubic root of 6604845 is about 187.6236340157.

The spelling of 6604845 in words is "six million, six hundred four thousand, eight hundred forty-five".