406446016 has 14 divisors (see below), whose sum is σ = 806541440. Its totient is φ = 203222976.

The previous prime is 406446011. The next prime is 406446017. The reversal of 406446016 is 610644604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406446011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3175296 + ... + 3175423.

Almost surely, 2^406446016 is an apocalyptic number.

It is an amenable number.

406446016 is a deficient number, since it is larger than the sum of its proper divisors (400095424).

406446016 is an equidigital number, since it uses as much as digits as its factorization.

406446016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6350731 (or 6350721 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 406446016 is about 20160.5063428476. The cubic root of 406446016 is about 740.7431152062.

The spelling of 406446016 in words is "four hundred six million, four hundred forty-six thousand, sixteen".