6602004 has 18 divisors (see below), whose sum is σ = 16688490. Its totient is φ = 2200656.

The previous prime is 6602003. The next prime is 6602023. The reversal of 6602004 is 4002066.

6602004 is a `hidden beast` number, since 660 + 2 + 0 + 0 + 4 = 666.

6602004 is digitally balanced in base 5, 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., 4613904 + 1988100 = 2148^2 + 1410^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6602003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 91659 + ... + 91730.

Almost surely, 2^6602004 is an apocalyptic number.

It is an amenable number.

6602004 is an abundant number, since it is smaller than the sum of its proper divisors (10086486).

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

6602004 is a wasteful number, since it uses less digits than its factorization.

6602004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183399 (or 183394 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 6602004 is about 2569.4365141019. The cubic root of 6602004 is about 187.5967287570.

The spelling of 6602004 in words is "six million, six hundred two thousand, four".