447992 has 16 divisors (see below), whose sum is σ = 869400. Its totient is φ = 216160.

The previous prime is 447991. The next prime is 448003. The reversal of 447992 is 299744.

It is an Ulam number.

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 447992.

It is not an unprimeable number, because it can be changed into a prime (447991) 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, 734 + ... + 1197.

2⁴⁴⁷⁹⁹² is an apocalyptic number.

It is an amenable number.

447992 is a deficient number, since it is larger than the sum of its proper divisors (421408).

447992 is a wasteful number, since it uses less digits than its factorization.

447992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966 (or 1962 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 447992 is about 669.3220450575. The cubic root of 447992 is about 76.5167918484.

It can be divided in two parts, 44799 and 2, that multiplied together give a palindrome (89598).

The spelling of 447992 in words is "four hundred forty-seven thousand, nine hundred ninety-two".