447866982 has 80 divisors (see below), whose sum is σ = 1043023872. Its totient is φ = 144079560.

The previous prime is 447866963. The next prime is 447867029. The reversal of 447866982 is 289668744.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1220163 + ... + 1220529.

Almost surely, 2^447866982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 447866982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (521511936).

447866982 is an abundant number, since it is smaller than the sum of its proper divisors (595156890).

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

447866982 is an frugal number, since it uses more digits than its factorization.

447866982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 403 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The square root of 447866982 is about 21162.8680003444. The cubic root of 447866982 is about 765.0967351720.

The spelling of 447866982 in words is "four hundred forty-seven million, eight hundred sixty-six thousand, nine hundred eighty-two".