406604066 has 32 divisors (see below), whose sum is σ = 706993920. Its totient is φ = 173437200.

The previous prime is 406604059. The next prime is 406604129. The reversal of 406604066 is 660406604.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 40181 + ... + 49271.

It is an arithmetic number, because the mean of its divisors is an integer number (22093560).

Almost surely, 2^406604066 is an apocalyptic number.

406604066 is a deficient number, since it is larger than the sum of its proper divisors (300389854).

406604066 is a wasteful number, since it uses less digits than its factorization.

406604066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9230.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 406604066 is about 20164.4257542832. The cubic root of 406604066 is about 740.8391175230.

The spelling of 406604066 in words is "four hundred six million, six hundred four thousand, sixty-six".