6683406 has 16 divisors (see below), whose sum is σ = 13619664. Its totient is φ = 2185664.

The previous prime is 6683401. The next prime is 6683407. The reversal of 6683406 is 6043866.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6683401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10191 + ... + 10826.

It is an arithmetic number, because the mean of its divisors is an integer number (851229).

Almost surely, 2^6683406 is an apocalyptic number.

6683406 is an abundant number, since it is smaller than the sum of its proper divisors (6936258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6683406 is a wasteful number, since it uses less digits than its factorization.

6683406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21075.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 6683406 is about 2585.2284231766. The cubic root of 6683406 is about 188.3645972758.

The spelling of 6683406 in words is "six million, six hundred eighty-three thousand, four hundred six".