6606406 has 8 divisors (see below), whose sum is σ = 9924264. Its totient is φ = 3298320.

The previous prime is 6606389. The next prime is 6606409. The reversal of 6606406 is 6046066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6606409) 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 3 ways as a sum of consecutive naturals, for example, 415 + ... + 3658.

It is an arithmetic number, because the mean of its divisors is an integer number (1240533).

Almost surely, 2^6606406 is an apocalyptic number.

6606406 is a deficient number, since it is larger than the sum of its proper divisors (3317858).

6606406 is a wasteful number, since it uses less digits than its factorization.

6606406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4886.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 6606406 is about 2570.2929794092. The cubic root of 6606406 is about 187.6384139448.

The spelling of 6606406 in words is "six million, six hundred six thousand, four hundred six".