405066 has 8 divisors (see below), whose sum is σ = 810144. Its totient is φ = 135020.

The previous prime is 405049. The next prime is 405071. The reversal of 405066 is 660504.

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

405066 is an admirable number.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

405066 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33750 + ... + 33761.

It is an arithmetic number, because the mean of its divisors is an integer number (101268).

2⁴⁰⁵⁰⁶⁶ is an apocalyptic number.

405066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

405066 is a wasteful number, since it uses less digits than its factorization.

405066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67516.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 405066 is about 636.4479554528. The cubic root of 405066 is about 73.9903810239.

The spelling of 405066 in words is "four hundred five thousand, sixty-six".