406066 has 8 divisors (see below), whose sum is σ = 612864. Its totient is φ = 201780.

The previous prime is 406037. The next prime is 406067. The reversal of 406066 is 660604.

406066 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (406067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150 + ... + 913.

It is an arithmetic number, because the mean of its divisors is an integer number (76608).

2⁴⁰⁶⁰⁶⁶ is an apocalyptic number.

406066 is a deficient number, since it is larger than the sum of its proper divisors (206798).

406066 is a wasteful number, since it uses less digits than its factorization.

406066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 406066 is about 637.2330813760. The cubic root of 406066 is about 74.0512184980.

The spelling of 406066 in words is "four hundred six thousand, sixty-six".