406616705 has 16 divisors (see below), whose sum is σ = 537473664. Its totient is φ = 292846080.

The previous prime is 406616687. The next prime is 406616711. The reversal of 406616705 is 507616604.

It is not a de Polignac number, because 406616705 - 2¹⁶ = 406551169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30224 + ... + 41553.

It is an arithmetic number, because the mean of its divisors is an integer number (33592104).

Almost surely, 2^406616705 is an apocalyptic number.

It is an amenable number.

406616705 is a deficient number, since it is larger than the sum of its proper divisors (130856959).

406616705 is a wasteful number, since it uses less digits than its factorization.

406616705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71896.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 406616705 is about 20164.7391503089. The cubic root of 406616705 is about 740.8467935969.

The spelling of 406616705 in words is "four hundred six million, six hundred sixteen thousand, seven hundred five".