406785232 has 20 divisors (see below), whose sum is σ = 900738976. Its totient is φ = 174336480.

The previous prime is 406785209. The next prime is 406785259. The reversal of 406785232 is 232587604.

It is a junction number, because it is equal to n+sod(n) for n = 406785191 and 406785200.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1815894 + ... + 1816117.

Almost surely, 2^406785232 is an apocalyptic number.

It is an amenable number.

406785232 is an abundant number, since it is smaller than the sum of its proper divisors (493953744).

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

406785232 is a wasteful number, since it uses less digits than its factorization.

406785232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3632026 (or 3632020 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 406785232 is about 20168.9174721897. The cubic root of 406785232 is about 740.9491303029.

The spelling of 406785232 in words is "four hundred six million, seven hundred eighty-five thousand, two hundred thirty-two".