406085386 has 16 divisors (see below), whose sum is σ = 702535680. Its totient is φ = 172439280.

The previous prime is 406085327. The next prime is 406085411. The reversal of 406085386 is 683580604.

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 7 ways as a sum of consecutive naturals, for example, 131530 + ... + 134581.

It is an arithmetic number, because the mean of its divisors is an integer number (43908480).

Almost surely, 2^406085386 is an apocalyptic number.

406085386 is a deficient number, since it is larger than the sum of its proper divisors (296450294).

406085386 is a wasteful number, since it uses less digits than its factorization.

406085386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266229.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 406085386 is about 20151.5603862331. The cubic root of 406085386 is about 740.5239690586.

The spelling of 406085386 in words is "four hundred six million, eighty-five thousand, three hundred eighty-six".