445992 has 16 divisors (see below), whose sum is σ = 1115040. Its totient is φ = 148656.

The previous prime is 445969. The next prime is 446003. The reversal of 445992 is 299544.

It is an unprimeable number.

445992 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, 9268 + ... + 9315.

It is an arithmetic number, because the mean of its divisors is an integer number (69690).

2⁴⁴⁵⁹⁹² is an apocalyptic number.

It is an amenable number.

445992 is an abundant number, since it is smaller than the sum of its proper divisors (669048).

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

445992 is a wasteful number, since it uses less digits than its factorization.

445992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18592 (or 18588 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 445992 is about 667.8263247282. The cubic root of 445992 is about 76.4027556730.

It can be divided in two parts, 44599 and 2, that multiplied together give a palindrome (89198).

The spelling of 445992 in words is "four hundred forty-five thousand, nine hundred ninety-two".