6600404 has 6 divisors (see below), whose sum is σ = 11550714. Its totient is φ = 3300200.

The previous prime is 6600367. The next prime is 6600421. The reversal of 6600404 is 4040066.

6600404 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., 6300100 + 300304 = 2510^2 + 548^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 825047 + ... + 825054.

It is an arithmetic number, because the mean of its divisors is an integer number (1925119).

Almost surely, 2^6600404 is an apocalyptic number.

It is an amenable number.

6600404 is a deficient number, since it is larger than the sum of its proper divisors (4950310).

6600404 is a wasteful number, since it uses less digits than its factorization.

6600404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650105 (or 1650103 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 6600404 is about 2569.1251429232. The cubic root of 6600404 is about 187.5815728025.

The spelling of 6600404 in words is "six million, six hundred thousand, four hundred four".