6633406 has 16 divisors (see below), whose sum is σ = 10823904. Its totient is φ = 3030624.

The previous prime is 6633391. The next prime is 6633421. The reversal of 6633406 is 6043366.

It is an interprime number because it is at equal distance from previous prime (6633391) and next prime (6633421).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1440 + ... + 3916.

It is an arithmetic number, because the mean of its divisors is an integer number (676494).

Almost surely, 2^6633406 is an apocalyptic number.

6633406 is a deficient number, since it is larger than the sum of its proper divisors (4190498).

6633406 is a wasteful number, since it uses less digits than its factorization.

6633406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 6633406 is about 2575.5399433905. The cubic root of 6633406 is about 187.8936889510.

The spelling of 6633406 in words is "six million, six hundred thirty-three thousand, four hundred six".