6406408346 has 8 divisors (see below), whose sum is σ = 10348813524. Its totient is φ = 2956803840.

The previous prime is 6406408331. The next prime is 6406408381. The reversal of 6406408346 is 6438046046.

It can be written as a sum of positive squares in 2 ways, for example, as 4454094121 + 1952314225 = 66739^2 + 44185^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123200135 + ... + 123200186.

Almost surely, 2^6406408346 is an apocalyptic number.

6406408346 is a deficient number, since it is larger than the sum of its proper divisors (3942405178).

6406408346 is a wasteful number, since it uses less digits than its factorization.

6406408346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246400336.

The product of its (nonzero) digits is 331776, while the sum is 41.

The square root of 6406408346 is about 80040.0421414182. The cubic root of 6406408346 is about 1857.2550122963.

The spelling of 6406408346 in words is "six billion, four hundred six million, four hundred eight thousand, three hundred forty-six".