6406705 has 16 divisors (see below), whose sum is σ = 8570880. Its totient is φ = 4568832.

The previous prime is 6406691. The next prime is 6406717. The reversal of 6406705 is 5076046.

It is a cyclic number.

It is not a de Polignac number, because 6406705 - 2⁷ = 6406577 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369 + ... + 3598.

It is an arithmetic number, because the mean of its divisors is an integer number (535680).

Almost surely, 2^6406705 is an apocalyptic number.

It is an amenable number.

6406705 is a deficient number, since it is larger than the sum of its proper divisors (2164175).

6406705 is a wasteful number, since it uses less digits than its factorization.

6406705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4008.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 6406705 is about 2531.1469732119. The cubic root of 6406705 is about 185.7283679093.

The spelling of 6406705 in words is "six million, four hundred six thousand, seven hundred five".