406784332 has 12 divisors (see below), whose sum is σ = 712582416. Its totient is φ = 203189360.

The previous prime is 406784321. The next prime is 406784333. The reversal of 406784332 is 233487604.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 406784291 and 406784300.

It is not an unprimeable number, because it can be changed into a prime (406784333) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 46144 + ... + 54247.

It is an arithmetic number, because the mean of its divisors is an integer number (59381868).

Almost surely, 2^406784332 is an apocalyptic number.

It is an amenable number.

406784332 is a deficient number, since it is larger than the sum of its proper divisors (305798084).

406784332 is a wasteful number, since it uses less digits than its factorization.

406784332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101408 (or 101406 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 406784332 is about 20168.8951606180. The cubic root of 406784332 is about 740.9485838600.

The spelling of 406784332 in words is "four hundred six million, seven hundred eighty-four thousand, three hundred thirty-two".