6600004 has 6 divisors (see below), whose sum is σ = 11550014. Its totient is φ = 3300000.

The previous prime is 6600001. The next prime is 6600031. The reversal of 6600004 is 4000066.

It can be written as a sum of positive squares in only one way, i.e., 6240004 + 360000 = 2498^2 + 600^2 .

It is not an unprimeable number, because it can be changed into a prime (6600001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 824997 + ... + 825004.

Almost surely, 2^6600004 is an apocalyptic number.

It is an amenable number.

6600004 is a deficient number, since it is larger than the sum of its proper divisors (4950010).

6600004 is a wasteful number, since it uses less digits than its factorization.

6600004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650005 (or 1650003 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 6600004 is about 2569.0472942319. The cubic root of 6600004 is about 187.5777834312.

The spelling of 6600004 in words is "six million, six hundred thousand, four".