816006 has 16 divisors (see below), whose sum is σ = 1641024. Its totient is φ = 270504.

The previous prime is 815989. The next prime is 816019. The reversal of 816006 is 600618.

816006 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1621 + ... + 2063.

It is an arithmetic number, because the mean of its divisors is an integer number (102564).

2⁸¹⁶⁰⁰⁶ is an apocalyptic number.

816006 is an abundant number, since it is smaller than the sum of its proper divisors (825018).

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

816006 is a wasteful number, since it uses less digits than its factorization.

816006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 816006 is about 903.3305043006. The cubic root of 816006 is about 93.4468036023.

The spelling of 816006 in words is "eight hundred sixteen thousand, six".