445806 has 12 divisors (see below), whose sum is σ = 965952. Its totient is φ = 148596.

The previous prime is 445799. The next prime is 445807. The reversal of 445806 is 608544.

It is a self number, because there is not a number n which added to its sum of digits gives 445806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445807) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12366 + ... + 12401.

It is an arithmetic number, because the mean of its divisors is an integer number (80496).

2⁴⁴⁵⁸⁰⁶ is an apocalyptic number.

445806 is an abundant number, since it is smaller than the sum of its proper divisors (520146).

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

445806 is a wasteful number, since it uses less digits than its factorization.

445806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24775 (or 24772 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 445806 is about 667.6870524430. The cubic root of 445806 is about 76.3921329948.

The spelling of 445806 in words is "four hundred forty-five thousand, eight hundred six".