445844 has 12 divisors (see below), whose sum is σ = 891744. Its totient is φ = 191064.

The previous prime is 445829. The next prime is 445847. The reversal of 445844 is 448544.

445844 is an admirable number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 445844.

It is not an unprimeable number, because it can be changed into a prime (445847) 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, 7934 + ... + 7989.

It is an arithmetic number, because the mean of its divisors is an integer number (74312).

2⁴⁴⁵⁸⁴⁴ is an apocalyptic number.

It is an amenable number.

445844 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.

445844 is a wasteful number, since it uses less digits than its factorization.

445844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15934 (or 15932 counting only the distinct ones).

The product of its digits is 10240, while the sum is 29.

The square root of 445844 is about 667.7155082818. The cubic root of 445844 is about 76.3943034595.

The spelling of 445844 in words is "four hundred forty-five thousand, eight hundred forty-four".