406006 has 8 divisors (see below), whose sum is σ = 623304. Its totient is φ = 198240.

The previous prime is 405997. The next prime is 406013. The reversal of 406006 is 600604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 2275 + ... + 2446.

It is an arithmetic number, because the mean of its divisors is an integer number (77913).

2⁴⁰⁶⁰⁰⁶ is an apocalyptic number.

406006 is a deficient number, since it is larger than the sum of its proper divisors (217298).

406006 is a wasteful number, since it uses less digits than its factorization.

406006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4766.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 406006 is about 637.1860011017. The cubic root of 406006 is about 74.0475710680.

The spelling of 406006 in words is "four hundred six thousand, six".