406606432 has 12 divisors (see below), whose sum is σ = 800506476. Its totient is φ = 203303200.

The previous prime is 406606427. The next prime is 406606439. The reversal of 406606432 is 234606604.

It is a junction number, because it is equal to n+sod(n) for n = 406606394 and 406606403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406606439) by changing a digit.

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 as a sum of consecutive naturals, namely, 6353194 + ... + 6353257.

It is an arithmetic number, because the mean of its divisors is an integer number (66708873).

Almost surely, 2^406606432 is an apocalyptic number.

It is an amenable number.

406606432 is a deficient number, since it is larger than the sum of its proper divisors (393900044).

406606432 is a wasteful number, since it uses less digits than its factorization.

406606432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12706461 (or 12706453 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 406606432 is about 20164.4844218740. The cubic root of 406606432 is about 740.8405544835.

The spelling of 406606432 in words is "four hundred six million, six hundred six thousand, four hundred thirty-two".