406320416 has 24 divisors (see below), whose sum is σ = 818549424. Its totient is φ = 198434880.

The previous prime is 406320407. The next prime is 406320437. The reversal of 406320416 is 614023604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146270 + ... + 149021.

It is an arithmetic number, because the mean of its divisors is an integer number (34106226).

Almost surely, 2^406320416 is an apocalyptic number.

It is an amenable number.

406320416 is an abundant number, since it is smaller than the sum of its proper divisors (412229008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

406320416 is a wasteful number, since it uses less digits than its factorization.

406320416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295344 (or 295336 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 406320416 is about 20157.3911010329. The cubic root of 406320416 is about 740.6668058345. Note that the first 3 decimals are identical.

The spelling of 406320416 in words is "four hundred six million, three hundred twenty thousand, four hundred sixteen".