6609404 has 6 divisors (see below), whose sum is σ = 11566464. Its totient is φ = 3304700.

The previous prime is 6609353. The next prime is 6609409. The reversal of 6609404 is 4049066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6609409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826172 + ... + 826179.

It is an arithmetic number, because the mean of its divisors is an integer number (1927744).

Almost surely, 2^6609404 is an apocalyptic number.

It is an amenable number.

6609404 is a deficient number, since it is larger than the sum of its proper divisors (4957060).

6609404 is a wasteful number, since it uses less digits than its factorization.

6609404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652355 (or 1652353 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 6609404 is about 2570.8761152572. The cubic root of 6609404 is about 187.6667932124. Note that the first 3 decimals are identical.

The spelling of 6609404 in words is "six million, six hundred nine thousand, four hundred four".