408316432 has 20 divisors (see below), whose sum is σ = 804084076. Its totient is φ = 200810880.

The previous prime is 408316429. The next prime is 408316451. The reversal of 408316432 is 234613804.

It can be written as a sum of positive squares in 2 ways, for example, as 22429696 + 385886736 = 4736^2 + 19644^2 .

It is a junction number, because it is equal to n+sod(n) for n = 408316394 and 408316403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208203 + ... + 210154.

Almost surely, 2^408316432 is an apocalyptic number.

It is an amenable number.

408316432 is a deficient number, since it is larger than the sum of its proper divisors (395767644).

408316432 is a wasteful number, since it uses less digits than its factorization.

408316432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418426 (or 418420 counting only the distinct ones).

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

The square root of 408316432 is about 20206.8412177658. The cubic root of 408316432 is about 741.8776470904.

The spelling of 408316432 in words is "four hundred eight million, three hundred sixteen thousand, four hundred thirty-two".