6603642 has 12 divisors (see below), whose sum is σ = 14307930. Its totient is φ = 2201208.

The previous prime is 6603629. The next prime is 6603647. The reversal of 6603642 is 2463066.

6603642 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4756761 + 1846881 = 2181^2 + 1359^2 .

It is not an unprimeable number, because it can be changed into a prime (6603647) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 183417 + ... + 183452.

Almost surely, 2^6603642 is an apocalyptic number.

6603642 is an abundant number, since it is smaller than the sum of its proper divisors (7704288).

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

6603642 is a wasteful number, since it uses less digits than its factorization.

6603642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366877 (or 366874 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 6603642 is about 2569.7552412633. The cubic root of 6603642 is about 187.6122421290.

The spelling of 6603642 in words is "six million, six hundred three thousand, six hundred forty-two".